问题
I usually sit_____ the classroom, so that I can hear the teacher who likes to stand_____ the class clearly. [ ]
A: in front of; in the front of
B: in the front of; in front of
C: in front of; in front of
D:in the front of; in the front of
B: in the front of; in front of
C: in front of; in front of
D:in the front of; in the front of
正确答案是：
