The number of people invited to the party 200 but a number of them absent for different reasons.
A. were ; was
B. was ; were
C. was ; was
D. were ; were
网友回答
A. were ; was
(答案→)B. was ; were
C. was ; was
D. were ; were
解析：考查主谓一致。The number of做主语时谓语动词用单数。A number of修饰可数名词复数做主语时谓语动词用复数形式。故B正确。