The patient was warned oily food after the operation. A. to eat notB. eating not C. not t

问题补充：

The patient was warned oily food after the operation.

A. to eat not

B. eating not

C. not to eat

D. not eating

答案：

A. to eat not

B. eating not

(答案→)C. not to eat

D. not eating

解析：warn sb not to do sth 警告某人不要做某事。