单项选择题下列不属于潜伏青紫型先天性心脏病的是 A. 肺动脉狭窄 B. 房间隔缺损 C. 室间隔肌部缺损 D. 室间隔膜部缺损 E. 动脉导管未闭
单项选择题Rather than allow the vegetables to go bad, he sold them _______ half pricE.A.asB.forC.atD.in