听力原文:M: Why do park keepers always prohibit people from walking on the grass?W: I thin
听力原文:M: Why do park keepers always prohibit people from walking on the grass?
W: I think you should go to ask the officials over there.
The two speakers are probably
A.in a park.
B.in a parking lot.
C.in an office.
D.in a store.