Private cars really provide much convenience to people, and ___ they cause too many problemsA.meanwhileB.thereforeC.otherwiseD.instead
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A解析试题分析：meanwhile同时，期间；therefore因此，所以；otherwise否则，另外；instead反而，代替。句意：私人汽车真的给人们提供了许多方便，同时它们也引起了许多问题。结合语境可知选Ａ。考点：考查副词辨析。