单选题________Jack________hisparentswere

单选题 ________ Jack ________ his parents were at home last night, so nobody answered it when I called Jim.A.Both, andB.Either, orC.Neither, norD.Between, and

C解析解析：用否定结构neither…nor表示“家里没人，两部分都不”。both…and意为“两部分都(肯定)”；either…or意为“或A，或B”；between…and意为“在……之间”。方法提炼：有些搭配在连接句子的主语时，谓语动词只与靠近的主语取得一致。这些搭配有：neither…nor…, not only…but also…等。而both…and…连接两个主语时视为复数。但表示单一概念或同一个人时，用单数。如：The worker and the writer are talking over there. (那位工人和那位作家)／The worker and writer is talking over there.(那位工人兼作家)

就是这个解释