题目内容：
It can be learned from the text that,
A. New York City is seriously polluted
B. people’s daily life causes many carbon emissions in New York City
C. a great number of people in New York City don't have houses to live in
D. some other cities have developed more affordable housing than New York City
参考答案：【答案仅供学习，请勿对照自行用药等】