By the time he ________ at the station, it ________ dark .
A.arrived; gotB.had arrived; had gotC.had arrived; gotD.arrived; was getting在线课程D
导解：by the time引导状语从句时，从句用一般现在时，主句根据意思可用完成时表示已经发生的动作，一般过去时表过去的状态，进行时表正在进行的动作等．本句表示“天正暗下来”，get表动作．