A(Give) the package to B(whomever) C(has) the authority to D(sign for it).

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A(Give) the package to B(whomever) C(has) the authority to D(sign for it).

请帮忙给出正确答案和分析,谢谢!

热搜:a是b的充分条件,b是a的必要条件吗