听力原文:M: Are we going to have a physical test this afternoon? I've prepared for it sinc
W: It is put off because the teacher has to take part in the physical labor.
Q: What do we learn from the conversation?
(17)
A.The students took a physical test that afternoon.
B.The students had to take part in the physical labor.
C.The teacher put off the physical labor.
D.There won't be a physical test this afternoon.