people who learn Engiish as a foreign language more than 750 million.A. A number of... rea

问题补充：

people who learn Engiish as a foreign language more than 750 million.

A. A number of... reach

B. The number of...come to

C. The number of... reaches

D. A number of...comes to

答案：

A. A number of... reach

B. The number of...come to

(答案→)C. The number of... reaches

D. A number of...comes to

解析：句意：把英语当作外语来学习的人数已经超过了7.5亿。表示……的数目，用The number of，谓语动词用单数，选C。