There are some health problems that, when ___in time, can become bagger ones later on.
A．not treatedB．not being treated
C．not to be treatedD．not having been treated
A

試題分析：考查非謂語(yǔ)動(dòng)詞的用法。句義：有一些健康問題，如果不及時(shí)治療的話，后來很可能會(huì)成為乞丐把你的錢花光。關(guān)鍵詞health problems“健康問題”和“治療”之間的關(guān)系是被動(dòng)關(guān)系，與done的進(jìn)行式，將來式，完成式?jīng)]關(guān)系，所以Ｂ C  D不對(duì)，A正確。
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