Thanks to the modern technology, we can get several times ________ information _______ people did in the past.

A．as more; as

B．as much; than

C．as much; as

D．as many; as

患者从慢性支气管炎阶段发展成阻塞性肺气肿的过程中最先发生的病理改变是

A．肺泡膨帐

B．细支气管不完全阻塞

C．肺泡壁弹性减退

D．肺小动脉痉挛

E．肺纤维化