He could hardly work alone ?A. could heB. couldnt heC. didnt heD. did he

问题补充：

He could hardly work alone, ?

A. could he

B. couldn he

C. didn he

D. did he

答案：

(答案→)A. could he

B. couldn he

C. didn he

D. did he

解析：句意：他几乎不能独自工作，是吗。因为这是反义疑问句，逗号前有否定副词hardly几乎不；所以逗号后应该用肯定的形式。因为前面的谓语动词用的是情态动词could，所以后半部分还是用could，故选A。