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  3. The Type A behavior is characterized by strong ambition, competitiveness, and a sense of time urgency. Type A’s tended to be eng

The Type A behavior is characterized by strong ambition, competitiveness, and a sense of time urgency. Type A’s tended to be eng

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问题      The Type A behavior is characterized by strong ambition, competitiveness, and a sense of time urgency. Type A’s tended to be engaged in a perpetual attempt to achieve as much as possible in the least time even though their goals were often unrealistic. Persons With these traits tend to have a significantly high rate of heart problems, and the standard risk factors of smoking and high blood pressure are significantly higher in Type A’s.
     The most extensive attempt to modify Type A behavioral patterns has been carded out in the San Francisco Bay area, where 600 men who have suffered heart attacks are participating in an ongoing study. The treatment consists of a variety of approaches which are intended to modify both the perception of stress and the reaction to stress.
     Subjects have been taught to observe their own behavior to change and manage their thinking a bout once-stressful occurrences, making them neutral by interpreting them in ways that do not evoke stress. Thus instead of fuming about the time they are wasting in a traffic jam, Type A’s ought to think about the opportunity to think over their day’s activities. They also have been told to adopt new, relaxing hobbies that are entirely separate from their careers, and they are learning procedures that will al low them to modify their physiological reactions through such techniques as deep muscle relaxation and learning to slow down physical activity.
     Still, there is no definitive evidence to date showing that reductions in Type A characteristics result invariably in a decrease in heart disease risk. Moreover, it is unclear just which aspect of Type A behavior is the crucial one, or whether it is a complex of several behaviors, all part of the Type A pat tern ,that is associated with the increased risk. In other words ,we still do not know specifically what it is about Type A behaviors that leads to heart problems, and until we do, programs that attempt to de crease the risk must use relatively expensive and time-consuming procedures, modifying essentially all manifestations of the Type A pattern. Moreover, programs which emphasize the importance of work and achievement. For these reasons, treatment programs that are designed to alter Type A behaviors may be facing an uphill battle.
     Despite the difficulty in implementing treatment programs to reduce the Type A behavior pattern, such attempts illustrate quite clearly the role that social psychologists can play in the treatment of health problems.
Why do the treatment programs designed to change Type A behaviors face difficulties?
选项 A、Because the treatment programs are too expensive.
B、Because the treatment programs consume too much time.
C、Because it is unclear which aspect of the behavior of Type A leads to heart problems.
D、Because the subjects are unwilling to receive this’ kind of treatment.
答案C
解析 根据第四段所述目前这种治疗方法遇到困难是因为人们还不清楚，是A血型人的行为的哪方面引起心脏疾患。是由其中一种行为引起的，还是几种行为综合引起的，或是全部行为都能引起，还不清楚。A和B是目前这种治疗方法的现状。D文章未提及。
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