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:the number of修饰可数名词复数形式,谓语动词用单数形式;a number of修饰可数名词复数形式,谓语动词用复数形式,故本题C项正确。