A large number of people present at the meeting yesterday afternoon.A. wasB. wereC. areD.

问题补充：

A large number of people present at the meeting yesterday afternoon.

A. was

B. were

C. are

D. have

答案：

A. was

(答案→)B. were

C. are

D. have

解析：考查主谓一致。A large number of接复数名词作主语，谓语动词用复数形式；时间状语是yesterday afternoon所以答案为B.