英语高考9.There are some health problems that,when ____in time,can become bagger ones later on.

英语高考9.There are some health problems that,when ____in time,can become bagger ones later on.

题目
英语高考9.There are some health problems that,when ____in time,can become bagger ones later on.
A.not treated B,not being treated C.not to be treated D.not having been treated
答案
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