Did you go to the show last night?
Yeah. Every boy and girl in the area _____ invited.
A. were B. have been C. has been D. was
D
解析：考察主谓一致。 由and连接的两个名词同时被every，each或no修饰时，谓语动词用单数。再从问话的 last night可以看出，应为为过去式。