The number of people who English as a foreign language more than 750 million.A. learns; is

问题补充：

The number of people who English as a foreign language more than 750 million.

A. learns; is

B. learn; are

C. learns; are

D. learn; is

答案：

A. learns; is

B. learn; are

C. learns; are

(答案→)D. learn; is

解析：考查：the number of … ，…… 的数量，作主语时谓语动词用单数。句意：学习英语作为一门外语的人的数量超过了7亿5千万。句中含有一个定语从句，所以选D。