The number of the people who cars increasing in China.A. own areB. owns isC. own isD.

问题补充：

The number of the people who cars increasing in China.

A. own, are

B. owns, is

C. own, is

D. owns, are

答案：

A. own, are

B. owns, is

(答案→)C. own, is

D. owns, are

解析：第一空考查定语从句，先行词为the people，故从句的谓语动词用复数，第二空The number of什么的数量，做主语时谓语动词用单数形式，故选C。