It is important______to the public what is happening.A.for us in explainingB.to us to expl

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It is important______to the public what is happening.

A.for us in explaining

B.to us to explain

C.of us in explaining

D.for us to explain

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_________。