He finds _ hard to learn Japanese well in three weeks.A.it B.that C.this D.its哪个选项 为什么

He finds _ hard to learn Japanese well in three weeks.A.it B.that C.this D.its哪个选项 为什么
He finds _ hard to learn Japanese well in three weeks.A.it B.that C.this D.its
哪个选项 为什么

He finds _ hard to learn Japanese well in three weeks.A.it B.that C.this D.its哪个选项 为什么
A
He finds it hard to learn Japanese well in three weeks = He find that it's hard to learn Japanese well in three weeks.
it做形式宾语,通常和下列动词连用：
consider,think,make,find,believe,count,declare,deem,fancy,feel,guess,imagine,judge,prove,see,show,suppose,understand,take等代替不定式或动名词以及名词词组.