单选题 I often wonder why some people won't do what it ______ to be successful.
A. involves B. means C. takes D. likes

【正确答案】 C
【答案解析】involve:涉及,使……参与,卷入,需要(接doing,不能接不定式),be involved in:参与,be involved with:与……有业务来往,与……有染
注意下列句型意义的不同:
what it means to do something(做……意味着什么)
what it takes to do something(如何才能……,做……需要哪些因素)
what it is like to do something(做……感觉如何,做……是什么滋味)