单项选择题

Questions 7 to 10 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions.
Now, listen to the conversation.

The man doesn’t accept the woman’s offer because

A. he already knows how to play.
B. he doesn’t like to play games.
C. he doesn’t have a partner.
D. he doesn’t have enough free time.