---Were your parents at home last night?
---No. We went to Grandma’s birthday party.
A. both
B. all
C. none
D. neither
网友回答
A. both
(答案→)B. all
C. none
D. neither
解析：A. both 两者都 B. all 所有的都 C. none所有的都不 D. neither两者都不；句意：你爸爸妈妈昨天晚上在家吗？没有，我们都去参加奶奶的生日聚会了。故选B