Most students find hard to learn maths well.A. thatB. thisC. itD. very

问题补充：

Most students find hard to learn maths well.

A. that

B. this

C. it

D. very

答案：

A. that

B. this

(答案→)C. it

D. very

解析：考查代词it 作形式宾语，真正的宾语是后面的不定式，句意：大多数学生发现把数学学好很难。所以选C。