问题补充:
----is the population of your city?
-----About two million.
A. How many
B. How much
C. What
D. Which
答案:
A. How many
B. How much
(答案→)C. What
D. Which
解析:How many多少个;How much多少元;What什么;Which哪一个;根据下文,大约两百万。可知上文问的是,你们城市的人口是多少?英语中提问population时,一般用疑问词what,故选C。