It is to spend money in preventing illnesses by promoting healthy living rather than spen

问题补充：

It is to spend money in preventing illnesses by promoting healthy living rather than spending it trying to make people after they are ill.

A. good; good

B. well; better

C. better; better

D. better; good

答案：

A. good; good

B. well; better

(答案→)C. better; better

D. better; good

解析：有than 可知前面一个空应用比较级，因此排除AB, 根据题意第二个空也应用比较级，是生病前后病人身体健康状况的比较。