______ she stood up, she dropped the necklace.

A.AsB.WhileC.BeforeD.Until

A

解析試題分析:句意;當(dāng)她站起來的時(shí)候,她把項(xiàng)鏈弄掉了。A隨著B當(dāng)...時(shí)候C在....之前,引導(dǎo)時(shí)間狀語從句,常跟持續(xù)性動(dòng)詞。D知道...才,常于not連用。as側(cè)重一邊,一邊,表達(dá)隨著他的動(dòng)作,項(xiàng)鏈掉了。
考點(diǎn):考查連詞的用法。

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