--- is the population of the town?
---Over 20,000. And a third of the population workers of the car factory.
A. What, are
B. How many , are
C. What , is
D. How many, is
网友回答
(答案→)A. What, are
B. How many , are
C. What , is
D. How many, is
解析：在英文中，对于人口有多少通常用what来提问，回答语中人口的三分之一表示的是复数概念，故be用are，故本题选A。