为明确该患者是否为慢性阻塞性肺病，宜采取的检查措施为

A．胸部高分辨CT

B．血气分析

C．支气管黏膜活检

D．通气功能检查

E．弥散功能检查

Please pick up the          . Don’t keep it on the floor.

A．water

B．paper

C．books

D．bottles