听力原文：M: Do you know any-thing about Professor Jackson's class?W: If you are looking for an easy course, forget it.Q: What do we learn about Professor Jackson?(16)A．He is forgetful.B．He is looking for an assistant.C．His class is easy.D．His course is difficult.
A.
Q:
B.He
C.
B．He
D.
C．His
E.
D．His
F.