He regretted very much unkind things about his friends.A. having saidB. to sayC. saidD. t

问题补充：

He regretted very much unkind things about his friends.

A.

having said

B.

to say

C.

said

D.

to be said

答案：

A.

having said

B.

to say

C.

said

D.

to be said

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