什么时候就近指代

irisfrance

During the same period in which the Maya were developing a hieroglyphic system of writing, the

Aztec people also developed a written language, but it was not as highly sophisticated as that of the

Maya and was more pictographic in nature.

(A) but it was not as highly sophisticated as that of the Maya and was

(B) but it was not as highly sophisticated as the Maya, being

(C) but, not as highly sophisticated as the Maya's, was

(D) not as highly sophisticated as that of the Maya, however, being

(E) not as highly sophisticated as the Maya's however, it was


想问这个题。。。。it不会有指代不清的嫌疑吗？到底什么时候是就近指代 什么时候就指代不清  
这个知识点真的不清晰  大家帮帮我吧