The committee meetings, ______ always dominated by the same people, ______ slow-moving and inefficient.
A、which were; were
B、that are; are
C、been; were
D、though; are
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试题解析
委员会总是受控于同样的人,因此行动缓慢,效率很低。which引导非限制性定语从句,that不能引导非限制性定语从句。从句与主句语义关系递进,故不能使用表示转折的though。