Question

All the homework     , the students went to see the movie Black Hawk Down.

A．had been done

B．having been done

C．had done

D．having done

Answer 1

B

考查独立主格结构，两句话之间没有连词，后面是个完整的句子，可知前面是独立主格结构做状语，逻辑主语homework和finish是被动关系，而且是先完成作业，学生才去看电影。用分词的完成被动式，选B。