A为何D不对呢it 常用在find,feel, think ,believe ,consider ,make,等动词之后，作形式宾语，代替后面真正的宾语（不定式，动词-ing形式，that从句等。）如：Do you think it necessary trying again ?He made it quite clear that he preferred to study English.为何不能理解为find 后接宾语从句，其中it 是形式主语，不定式是真正的主语。