Question

They said sorry to me ，but I wouldn't listen， It is foolish of you _____others for their mistakes

A forgive B not forgive C to forgive D not to forgive

Answer 1

D not do forgive

不定式作真正主语，故排除A 和B

语义：我们要善于原谅别人的错误，而不能抓住人家的错误不放。故排除C.

Answer 2

D
it‘s +形容词+to do sth,结构。
根据句意，应用否定，意为：你不原谅别人过失的行为真愚蠢。
不懂追问，满意望采纳~