单选题 Emily slipped into the room lest she______her baby who was sound asleep in the sofa.
【正确答案】 C
【答案解析】解析：句意：艾米丽悄悄走进房间，生怕吵醒正在沙发上熟睡的婴儿。lest引导的从句中谓语用should+动词原形，should可省略。