when and where to build the new factory -------- yet A.isn't decided B.hasn't decide

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whenandwheretobuildthenewfactory--------yetA.isn''tdecidedB.hasn''tdecidewhenandwheretobuildthenewfact

when and where to build the new factory -------- yet A.isn't decided B.hasn't decide
when and where to build the new factory -------- yet A.isn't decided B.hasn't decide

when and where to build the new factory -------- yet A.isn't decided B.hasn't decide
如果原题时这样的话,那应该是没答案:
A 根据完成时的标志性时间状语yet应该用完成时
B “decide”改为“decided”就对了
另外我觉得这个应该用被动吧

yet 是完成时的标志
选B

A还没确定,表现在,用HASN'T BE DE~~~~~,也行

yet是完成时的标志性时间状语,看见它就知道前面应该填完成时,应该选B。但B.答案应该是hasn't decided吧

B