描述节日活动的简单句 — 英语选择题

Lily 在介绍不同国家的节日活动。下面哪个句子正确描述了节日里人们的活动？ A. At Spring Festival, people eats dumplings with family. B. At Halloween, children dress up and go trick-or-treating. C. At Christmas, people is giving presents to each other now every year. D. At Mid-Autumn Festival, people watching the moon at night.