下列词语的书写，完全正确的一项是[ ]

A．曲罢悯然 锢头银篦 连篇累牍 呕哑嘲哳

B．转徒江湖 幽愁暗恨 扣人心弦 豪言壮语

C．轻拢慢捻 天崖海角 幽咽泉流 汗流浃背

D．东船西舫 恬然自安 翻复无常 春寒料峭

Both bus and tree topologies are characterized by the use of multipoint (71) ．For the bus，all stations attach，through appropriate hardware (72) known as a tap，directly to a linear transmission medium，or bus．Full-duplex operation between the station and the tap allows data to be transmitted onto the bus and received from the (73) ．A transmission from any station propagates the length of the medium in both directions and can be received by all other (74) ．At each end of the bus is a (75) ，which absorbs any signal，removing it from the bus．

A．medium
B．connection
C．token
D．resource