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

问题补充：

Which of the following signs can’t usually be found in a hospital?

A.

B.

C.

D.

答案：

A.

B.

(答案→)C.

D.

解析：

试题分析: 句意：下列哪个标志通常不会在医院找到？标志A通行，标志B为等待，标志C为吸烟，标志D为垃圾入筐。医院为禁烟场所，为故选C.