A、Three hours. B、More than three hours. C、Forty-five minutes. D、Two hours and forty-five minutes. D对话中提到，一次课的时间是从7点到9点45分，持续将近3个

W: Hello. Parkson college. May I help you?
M: Yes.(12)I’m looking for information on courses in computer programming. I would need it for the fall semester.
W: Do you want a day or evening course?
M: Well, it would have to be an evening course since I work during the day.
W: Aha. Have you taken any courses in data processing?
M: No.
W: Oh. Well,(13)data processing is a course you have to take before you can take computer programming.
M: Oh, I see. Well, when is it given? I hope it’s not on Thursdays.
W: Well, there’s a class that meets on Monday evenings at seven.
M: Just once a week?
W: Yes.(14)But that’s almost three hours from 7 to 9: 45.
M: Oh. Well, that’s all right. I could manage that. -How many weeks does the course last?
W: Mmmm, let me see. Twelve weeks. You start the first week in September, and finish, oh. just before Christinas, December 21 st.
M: And how much is the course?
W: (15)That’s 300 dollars including the necessary computer time.
M: Aha. Okay. Where do I go to register?
W: Registration is on the second and third day of September, between 6 and 9 in Frost Hall.
M: Is that the round building behind the parking lot?
W: Yes. That’s the one.
M: Oh, I know how to get there. Is there anything that I should bring with me?
W: No, just your checkbook.
M: Well, thank you very much.
W: You are very welcome. Bye!
M: Bye!
Questions 12 to 15 are based on the conversation you have just heard.
12. When does the course the man will take begin?
13. What kind of course will the man take?
14. How long does one class of the man’s course last?
15. What should the man bring for registration?