The sign on the left tells us that . A. this is a place for us to swimB. it’s safe to swi

问题补充：

The sign on the left tells us that .

A. this is a place for us to swim

B. it’s safe to swim in this place

C. swimming is not allowed here

答案：

解析：这是一个禁止游泳的标志。根据标志牌提示No smoking,意思是禁止吸烟，得出答案为C。