听力原文:M: How many students will Professor Smith choose to go on the field trip?W: Wheth
听力原文:M: How many students will Professor Smith choose to go on the field trip?
W: Whether or not there will be a field trip has to be decided first.
Q: What does the woman mean?
(14)
A.She feels that the trip will take too long.
B.The students haven't chosen a professor.
C.Professor Smith has to choose the destination first.
D.It's not certain the trip will take place.