Questions 4 to 6 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.

What will happen if the man does not receive his financial aid

A．It will be impossible for him to register.
B．It may still be possible to register if he gets a letter from the university financial officer.
C．He will make arrangements with the registrar after registration.
D．He can still register but he will have to wait until the registration of senior students is over.