The doctor looked over Peter carefully after he---to the hospital.A.took B.was taken
问题描述：
The doctor looked over Peter carefully after he---to the hospital.A.took B.was taken
如果知道答案,请说明理由
答
B
be+过去分词是被动语态.
he---to the hospital中he是主语.所以是他被送进医院.所以选B.