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.
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.
what they now commonly call
a plant that they now commonly call
now commonly called
and is mow commonly called
which it is now commonly called
答案是C。
B为什么不对? 同位语从句不是更好吗?是因为purple-flowered bee plant 和a plant that they now commonly call里的plant重复了,没有必要?