SC求助:A,B,C如何分辨?

Q1:

According to a survey of graduating medical students conducted by the Association of American Medical Colleges, minority graduates are nearly four times more likely than are other graduates in planning to practice in socioeconomically deprived areas.

1. minority graduates are nearly four times more likely than are other graduates in planning to practice

2. minority graduates are nearly four times more likely than other graduates who plan on practicing

3. minority graduates are nearly four times as likely as other graduates to plan on practicing

4. it is nearly four times more likely that minority graduates rather than other graduates will plan to practice

5. it is nearly four times as likely for minority graduates than other graduates to plan to practice

   Answer: A

我的理解: E:as..than,不对搭,先排, D,用了rather than,C用as..as,都变了句子本意,排除,Bthan后面没谓语,排除,最后剩A