Which of the following signs can NOT be found in a hospital?A. B. C. D.

问题补充：

Which of the following signs can NOT be found in a hospital?

A.

B.

C.

D.

答案：

(答案→)A.

B.

C.

D.

解析：句意：下列哪个标志不能在医院找到？结合常识可知四个标志分别是吸烟区标志、电梯标志。请勿乱扔垃圾标志和候诊室标志。故选A。