He had a hard time supporting the family.A. withB. forC. atD. in

问题补充：

He had a hard time supporting the family.

A. with

B. for

C. at

D. in

答案：

A. with

B. for

C. at

(答案→)D. in

解析：had a hard time in doing sth.意思是：在做…方面有困难，这是固定句型。