If you want to keep healthier you must eat vegetables and meat.A. more moreB. less les

问题补充：

If you want to keep healthier, you must eat vegetables and meat.

A. more, more

B. less, less

C. fewer, more

D. more, less

答案：

A. more, more

B. less, less

C. fewer, more

(答案→)D. more, less

解析：句意：如果你想更健康，你必须多吃蔬菜少吃肉。vegetables可用many修饰，more是many的比较级；meat是不可数名词，用little修饰，比较级用less.故选D.