. soldiers and doctors were sent to help the people in Yushu after the earthquake. A. Two

问题补充：

. soldiers and doctors were sent to help the people in Yushu after the earthquake.

A. Two thousands B. Thousands of C. Two thousands of

答案：

解析：句意：在地震后数千名士兵和医生被送往玉树帮助那里的人们。具体数字不加S，模糊数字加s，of,根据句意和结构，故选B。