【题目】The young lady rushed into the room _____ she heard the noise.
A.right awayB.at onceC.immediatelyD.at the moment
在线课程【答案】C
【解析】
考查时间状语从句。句意：那位年轻女士一听到响声就冲进房间。A. right away 立刻，马上；B. at once 立刻；C. immediately 一…就…（连词）；D. at the moment此刻，当时。此处immediately是连词，意思是“一......就......”，相当于as soon as，引导时间状语从句。故选C。