She is shortSo she sits the classroom．A. in the front ofB. in front ofC. at the back ofD.

问题补充：

She is short．So she sits the classroom．

A. in the front of

B. in front of

C. at the back of

D. next to

答案：

(答案→)A. in the front of

B. in front of

C. at the back of

D. next to

解析：本题的含义为她是矮的，所以她坐在教室的前面，in the front of表示在事物内部的前面，故本题选A。