明天考试了，大牛块帮忙亚！！

19. In addition to having more protein -than wheat does, the protein in rice is higher quality than that in wheat, with more of the amino acids essential to the human diet.

(A)
                        the protein in rice is higher quality than that in

(B)
                        rice has protein of higher quality than that in

(C)
                        the protein in rice is higher in quality than it is in

(D)
                        rice protein is higher in quality than it is in

(E)
                        rice has a protein higher in quality than

In this sentence, the initial clause modifies the nearest noun, identifying it as the thing being compared with wheat. By making protein the noun modified, choices A, C, and D illogically compare wheat with protein and claim that the protein in rice has more protein than wheat does.
                

我觉得答案是E

但是不理解他的解释：choices A, C, and D illogically compare wheat with protein and claim that the protein in rice has more protein than wheat does.
                        

请大牛帮我解释一下

正确答案是B。