________ there is going to be a policy change ________ of those things is going to change.
A．Unless; fewB．Until; fewC．Unless; noneD．Until; none
C
考察連詞辨析和代詞用法。Unless=if…not如果…不…;none是指特定范圍之內(nèi)一個(gè)也沒(méi)有。結(jié)合句意可知C正確。句意：如果政策沒(méi)有改變，這些事情中沒(méi)有哪一個(gè)會(huì)發(fā)生改變。
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