On his _____,I ____In bed these days

A.advise ;stay
B.asvise ;will stay
C.advice ;am staying
D.advice ;am staying
老师说答案是D，请解释为什么这个对，也就是其他的答案错误的原因
有these days 句子是什么时态？
advice 是名词
advise 是动词
选项改为这样子啊
A.advise ;stay
B.asvice ;will stay
C.advise ;am staying
D.advice ;am staying

这是单项选择题，必须从这四个答案里选

On his _____,I ____In bed these days The letter _____ open on his desk.(lie) He cannot but _____ home because his car broke down on his way home i think his pants must on fire 怎么翻译？ 5. I _____ it on. It fits me well. This is the _____ piano on which the composer created some of his greatest works. On my next day _____ , I don’t want to go _____ a drive. His health is _____ 5. I am _____ that he should give up at the peak of his career. I _____ blamed him for his carelessness because he was too tired A：would rather not