—Where’s Mary? —She’s the classroom.A. in front ofB. betweenC. in middle of D. under

问题补充：

—Where’s Mary? —She’s the classroom.

A. in front of

B. between

C. in middle of

D. under

答案：

(答案→)A. in front of

B. between

C. in middle of

D. under

解析：本题因为回答的内容，什么人在···地方，故选答案为A，只有A符合题意。