Fiber-optic cables can carry hundreds of telephone conversations ______.
【正确答案】 C
【答案解析】光纤电缆可以同时支撑几百部电话通话。A.homogeneously“同种地,相似地” B.spontaneously“自然地,不由自主地”C.simultaneously“同时地,同步地”D.ingeniously“有才能地,贤明地”