听力原文：M: This notice says that all the introductory psychology classes are closed.W: Th

听力原文：M: This notice says that all the introductory psychology classes are closed.

W: That can't be true! There're supposed to be thirteen sections of it this semester.

What does the woman think about the classes？

A．She doesn't want to take the course this semester.

B．She thought the class would be easy.

C．She will have thirteen credits after she completes the class.

D．She's surprised that all the sections are filled.