more time he could have done the work much better.A. To be givenB. To giveC. GivenD. G

问题补充：

. more time, he could have done the work much better.

A. To be given

B. To give

C. Given

D. Giving

答案：

A. To be given

B. To give

(答案→)C. Given

D. Giving

解析：由句中的could have done可以知道说的是过去的事；分词given既表被动，又表过去。