I find difficult to remember everything though I’m still young.A. thatB. thisC. itD. wha

问题补充：

I find difficult to remember everything, though I’m still young.

A. that

B. this

C. it

D. what

答案：

A. that

B. this

(答案→)C. it

D. what

解析：it为形式宾语真正宾语为不定式to remember everything。 虽然我还年轻但是我发现记住所有的事情很困难。