the population of China?- About 1.3 billion.A. What isB. How many areC. How much i

问题补充：

--- the population of China? --- About 1.3 billion.

A. What is

B. How many are

C. How much is

D. What are

答案：

(答案→)A. What is

B. How many are

C. How much is

D. What are

解析：在英文中问人口有多少通常用what，population为单数，故用is，故本题选A。