What I advised was that he physical exercise early in the morning.A. would doB. had doneC

问题补充：

What I advised was that he physical exercise early in the morning.

A. would do

B. had done

C. do

D. did

答案：

A. would do

B. had done

(答案→)C. do

D. did

解析：考查虚拟语气。Advise后面的句子使用虚拟语气，should+动词原形；should可以省略。C想符合要求。