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
网友回答
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。