The number of people invited fifty, but a number of them absent for different reasons
A. were;was
B. was;was
C. was;were
D. were;were
网友回答
A. were;was
B. was;was
(答案→)C. was;were
D. were;were
解析：
这题考查主谓一致的用法，the number of…谓语动词用单数，a number of…谓语用复数。选C。