问题
The bus driver sits ______ me. He is driving happily______ the bus.
A:in front of; in the front of
B:in front of; in front of
C:in the front of; in front of
D:in the front of; in the front of;
B:in front of; in front of
C:in the front of; in front of
D:in the front of; in the front of;
正确答案是：
