21. I was born in New Orleans, Louisiana, a city ______ name will create a picture of beautiful trees and green grass in our mind.

A. whose                        B. of which                  C. that                          D. which

22. In China, many people, some of ______ are not overweight at all, are always going on diets or

taking weight-loss pills, ______ are often dangerous.

A. them, which              B. whom, that               C. whom, which           D. them, that