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. Why does the man suggest going to the library together

A.He has to finish a paper.
B.He is just kidding.
C.He hates going to movies.
D.He wants to help the woman with her coursework.