All of us found ________ in English.a.he is interested b.him interested

All of us found ________ in English.a.he is interested b.him interested
All of us found ________ in English.
a.he is interested b.him interested c.he interesting d.him interesting
可是a为什么不可以?
1.当find 表示“发现（某事属实）”（to discover that sth is true after you have tried it,tested it or experiences it）时,有find+that结构.2.当find 表示“认为,感到”（to have a particular feeling or opinion about sth）时,一般有find+adj./n.