单项选择题

慢性阻塞性肺气肿的病理改变除外 A.
细支气管管壁充血、水肿和炎性细胞浸润 B.
外观呈灰白或苍白,表面可有大小不等的大泡 C.
肺血供增多 D.
与细支气管伴行的肺小血管有炎性改变 E.
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