A、On July 15. B、On August 20. C、On June 15. D、On September 15. AWhen does the course begin?细节题。根据女士所说，“Yes．The course begins on

M: Excuse me, Miss.
W: Yes, young man. May I help you?
M: Yes, I’d like to get some information about the summer course at the English Training Center.
W: Sure. What can I tell you?
M: Can you tell me the starting and finishing time of the course, please?
W: Yes. The course begins on July 15 and runs until August 20.
M: Right, and what course will we learn?
W: Well, you have varieties of courses. You have listening and speaking courses, reading and writing. There are also classes in audio-visual training and chances to use the language laboratory as well.
M: That’s OK. Well, thank you anyway, Miss.