问题
Mr Wu is standing _________ the classroom. There is a teacher’s desk_________ him.
A:in front of; in front of
B:in the front of; in the front of
C:in front of; in the front of
D:in the front of; in front of;
B:in the front of; in the front of
C:in front of; in the front of
D:in the front of; in front of;
正确答案是：
