问题描述：
英语单选题：When and where to build the new factory ______ yet?
When and where to build the new factory ______ yet?
A.is not decided
B.are not decided
C.has not decided
D.have not decided
When and where to build the new factory ______ yet?
A.is not decided
B.are not decided
C.has not decided
D.have not decided
问题解答：
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