—What should I do to healthy?—Try to eat a balanced diet.A. haveB. needC. stay D. take

问题补充：

—What should I do to healthy?

—Try to eat a balanced diet.

A. have

B. need

C. stay

D. take

答案：

A. have

B. need

(答案→)C. stay

D. take

解析：have有；need需要；stay 停留，坚持；take采取。句意：为了保持健康，我应该做什么？——尽量均衡饮食。故选C，停留在某种状态。