Afterseemed an endless effort the patient was finally able to carry out seemed a perfect

问题补充：

Afterseemed an endless effort, the patient was finally able to carry out seemed a perfect normal walk.

A. that; that

B. what; what

C. it; that

D. which; it

答案：

A. that; that

(答案→)B. what; what

C. it; that

D. which; it

解析：可联系答.案.网客服索取。