请教大全一道题目~~看了注释还不是很明白~~

1.        Although it was expected that workers under forty would show hostility to the plan, the research report indicates that both younger and the older people approve of governmental appropriations for Social Security.

(A) younger and the older people

(B) younger people and the older

(C) the younger and the older people

(D) younger and older people

(E) people who are younger and those who are older

答案选择D~~

注释给的为什么不选择C的理由是people前面不能加the~~

其意思是不是the younger and the older 的表达就可以了~~而不需要再加people呢?