with what they had done we felt we still had too much to do.A. comparedB. comparingC. hav

问题补充：

with what they had done, we felt we still had too much to do.

A. compared

B. comparing

C. having compared

D. being compared

答案：

(答案→)A. compared

B. comparing

C. having compared

D. being compared

解析：compared with +宾语，此处为非谓语动词做状语，compare 与逻辑主语之间是被动关系。