请教语法大全一道题目

1.        Based on pinto beans and corn tortillas, the Pima Indians have a diet that derives 70 percent of its protein from vegetable sources and only 30 percent from animal foods, the reverse of the typical North American diet.

(A) Pima Indians have a diet that derives

(B) Pima Indians in their diet derive

(C) diet of the Pima Indians derives

(D) diets of the Pima Indians have derived（C）

(E) diet of the Pima Indians, deriving

我觉得应该选E 不然后面的the reverse of the typical North American diet 不就多余了吗？