Playing violent video games can have immediate and lasting effects on a person’s thoughts and behavior, new research shows. In f

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问题     Playing violent video games can have immediate and lasting effects on a person’s thoughts and behavior, new research shows. In fact, researchers report that the interactive and increasingly graphic mature of some video games makes them "potentially more dangerous" than violence-charged television and movies.
    Psychologists Anderson and Dill conducted two studies. In one study of 227 college students, the investigators found that students who more frequently played violent video games during junior high and high school were more likely to have engaged in " aggressive behavior". A second study in which 210 college students played either a violent or non-violent video game revealed that the violence-packed game increased subjects’ aggression immediately afterwards.
    In the first study, the investigators questioned students on their natural levels of aggression and irritability, and their delinquent(犯法的)behavior — for instance whether they had bit other students in the past year. The investigators found that students with aggressive personalities and those who more often played violent video games were more prone to real-life aggression. Students who considered themselves aggressive were also more likely to play violet video games. Since aggressive people may seek out violet games, coming to the conclusion that the video games caused real-life delinquency is too risky.
    However, the second study lined video-game violence with immediate increases in aggression. Anderson and Dill had students play either a violent game or a nonviolent game and let the students believe they were playing against an opponent in another room after completing the video game, participants played a competitive-reaction game with their imaginary opponents, in this game the winner was allowed to publish the loser with a noise blast(响亮的噪音). The researchers found that students who were fresh from the violent video game blasted their opponents longer than those who played the nonviolent game.
    Because video games show short-term and long-term effects, Anderson and Dill suppose that videogame violence influences behavior not by arousing aggressive feelings, but by teaching players to find "aggressive solutions" to problems. Unlike TV, many video games demand that player identify with the aggressor and actively participate in violence.
The purpose of the first study was to try to establish a cause effect relationship between ______.

选项 A、aggressive personality and real-life violence
B、violent behavior in the past and violent behavior at present
C、aggressive personality and more involvement in playing violent video games
D、more involvement in playing violet video games and aggressive behavior

答案A

解析 事实细节题。文章第三段提及带有侵略性性格和常打暴力游戏的学生在现实生活中有可能有暴力倾向。选项A的内容与文章信息一致。故答案为A。
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