He is considered the work ahead of time.A. finishingB. to finishC. having finishedD. to h

问题补充：

He is considered the work ahead of time.

A. finishing

B. to finish

C. having finished

D. to have finished

答案：

A. finishing

B. to finish

C. having finished

(答案→)D. to have finished

解析：考查consider的用法。consider意为“考虑”时，后加doing；意为“认为”时，后加to do sth.。句意“他被认为已经提前完成工作了。”finish发生在consider前面，故用完成时。故选D。