Havingbeentreatedinthehospitalforaslongassixmonths,them...

问题详情：

Having been treated in the hospital for as long as six months, the man injured in the car crash is now back _______ his feet. 

A. at                   B. in                 C. on                 D. to

【回答】

C

知识点：介词

题型：选择题