Why does the man mention that he is a new student

单项选择题

Questions 22-25 are based on the following dialogue between a librarian and a student.

Why does the man mention that he is a new student at the school

A．Because the woman doesn’t know him.
B．Because he wants to introduce himself to the woman.
C．Because he wants the woman to help him.
D．Because the woman thinks he has an overdue book.