问题补充：
it was finished in time.
A. As the work was difficult
B. Difficult as the work was
C. Difficult as was the work
D. As was the work difficult
答案：
A. As the work was difficult
(答案→)B. Difficult as the work was
C. Difficult as was the work
D. As was the work difficult
解析：可联系答.案.网客服索取。
