We are often by the doctors to eat more healthy food and take plenty of physical exercise

问题补充：

We are often by the doctors to eat more healthy food and take plenty of physical exercise.

A. suggested

B. insisted

C. approved

D. advised

答案：

A. suggested

B. insisted

C. approved

(答案→)D. advised

解析：本题的含义是医生经常建议我们吃更多的健康食物和进行大量的身体锻炼，advise sb to do表示建议某人做某事，故本题选D。