The reason______he forgot the time ___ we had appointed doesnt sound very believable.A.why

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The reason______he forgot the time ___ we had appointed doesnt sound very believable.

A.why; when

B.that; when

C.which; which

D.that; that

请帮忙给出正确答案和分析,谢谢!

热搜:关于氨基酸代谢错误的论述是_________。