There be句型描述农场 — 英语选择题

叔叔的农场里一共有12只动物：五只绵羊（sheep）和四只鸡（chicken），剩下的都是鸭子（duck）。下面哪个句子正确描述了鸭子？A. There is three ducks on the farm. B. There are three ducks on the farm. C. There are five ducks on the farm. D. There is one duck on the farm.