【单选题】Fiber-optic cables can carry hundreds of telephone conversations ______.
A、simultaneously
B、spontaneously
C、homogeneously
D、contemporarily
网考网参考答案:A
网考网解析:
[解析] 副词词义辨析题。A simultaneously:同时地,同步地。B spontaneously:自然地,自发地。C homogeneously:同类地。D contemporarily:当代,同时代。
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