单选题 It's necessary that not only ______ to see a doctor but also stay at home for a good sleep.

【正确答案】 D
【答案解析】当not only…but also…不是连接两个不同的主语时,以not only开头的句子要用部分倒装,排除A和C。又因为it is necessary后的that从句一般要用should +动词原形,所以只有D正确。