great help I could get rid of all the difficulty and succeeded.A. OfferedB. Having offer

问题补充：

great help, I could get rid of all the difficulty and succeeded.

A. Offered

B. Having offered

C. Being supplied

D. Having supplied

答案：

(答案→)A. Offered

B. Having offered

C. Being supplied

D. Having supplied

解析：此题考查的是省略的用法。前面的分句省略的主语为I，所以动词要用被动。