to read newspapers before going to bed seemed to be a rule___A to_英语解答

to read newspapers before going to bed seemed to be a rule___
A to never break B never to have broken C never to be breaking D never to be broken
the answer is D.tell me why

人气：409 ℃　时间：2020-04-22 13:50:04

解答

选D,因为后面的短语是用来修饰rule这个词的,然而,rule本身不能充当主语,只能充当宾语,所以要用被动形式,而且句子的意思指的是永远不会改变的,指的是将来的事情,故选D.