On National Day there are more than five people in the zoo.A. thousand B. thousandsC. th

问题补充：

On National Day there are more than five people in the zoo.

A. thousand

B. thousands

C. thousands of

D. thousand of

答案：

(答案→)A. thousand

B. thousands

C. thousands of

D. thousand of

解析：此题考查名词的量。确切数量常用数词+hundred/thousand/million/billion+名词的复数形式；不确切数量常用hundreds/thousands/millions/billions + of+名词的复数形式.根据语境可知题干中有基数词five表示是确切数量，选择A。