求助一道GWD的题目~望大牛帮忙解释一下~

xiaoyuyingqi

Q2. GWD1-Q30:（原CD1-30）
The ancient Anasazi harvested such native desert vegetation as the purple-flowered bee plant, what they now commonly call wild spinach in northern Arizona and other parts of the southwestern United States.

A.    what they now commonly call
B.    a plant that they now commonly call
C.    now commonly called
D.    and is mow commonly called
E.    which it is now commonly called

tianlingfrl

A they没有指代对象
B 同A
C 正确
D AND连接的分句，is明显与前句的harvested平行，修饰The ancient Anasazi ，逻辑意思不对，句中要说的是那个vegetation.
E wordy and ambiguous

200814005

补充一下。
B中的they无指代是因为：ancient A不可能now commonly call，所以they木有指代对象。所以不对。

kwok1123

楼上大亮。。我怎么就没想到呢。。