--Have you found your bag yet?--No,I'm not sure____it's rainy.A.whether B.where C.why D.when

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--Have you found your bag yet?--No,I'm not sure____it's rainy.A.whether B.where C.why D.when
--Have you found your bag yet?
--No,I'm not sure____it's rainy.
A.whether B.where C.why D.when

--Have you found your bag yet?--No,I'm not sure____it's rainy.A.whether B.where C.why D.when
A
一般不确定后面加whether 意思是我不确定是否