听力原文:M: Mr. Smith, what do you think of our assignments?W: You have done some very goo
听力原文:M: Mr. Smith, what do you think of our assignments?
W: You have done some very good work. I hope you can keep it up.
What is the probable relationship between the two speakers?
A.Manager and secretaries.
B.Director and board members.
C.Professor and students.
D.Senator and representatives.