I'll choose B.

来源: sangran 于 2019-12-05 06:23:40 [] [旧帖] [给我悄悄话] 阅读数 : (47 bytes)
回答: 哪个组好? 由 Joy00 于 2019-12-04 17:36:59

There is not much you can do with A.

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