—Why are you standing there Kangkang?—I can’t see the blackboard clearly. Two tall boys a

问题补充：

—Why are you standing there, Kangkang?

—I can’t see the blackboard clearly. Two tall boys are sitting me.

A. behind B. next to C. in front of

答案：

解析：此题重点考察介词短语的基本用法，根据语境可知选择C。