关于remain的选择题目

题目

关于remain的选择题目
having a trip abroad is certainly good for the old couple,but it remains_____ whether they will enjoy it.
a.to see b.to be seen c.seeing d.seen
请问选什么?为什么涅?具体点啦

答案

答案B
it remains to:vt.还需(留待,尚待)
例句与用法:
1.It remains to be seen (ie We shall know later) whether you are right.
你是否正确,以后可见分晓.
2.It remains to be see who will be the victor in the contest.
谁将在这场比赛中获胜还得等著瞧.
看上面,CD错误,再看桔子意思,可以看出see在这里应用被动语态,所以A错误；
答案B