【单选题】

{{I}}Questions 8 to 10 are based on the following conversation.At the end of the conversation, you will be given 15 seconds to answer the questions. Now listen to the conversation.{{/I}} Why is the man worried about the course

A、ThatDavid is not a serious student.
B．ThatDavid doesn’t need to worry because be has a scholarship.
C．ThatDavid won’t speak with him.
D．ThatDavid wants to move back to his home town.