Q30: C
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
为什么不用b? 同位语不是优于定从马？ | 
