单选题
中国农业银行
2016-05-02
There are some health problems that,when______in time,can become bigger ones
later on.
A.not treated
B.not to be treated
C.not being treated
D.not have been treated
参考答案
A
答案解析
【答案】A。解析:本题考查非谓语动词及状语从句的省略。连词when之后为状语从句的省略.非谓语动词treat的逻辑主语即为主句主语health problems,它们之间的关系为被动关系.故选A。
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