单选题患儿，女，1岁。因肺炎合并心力衰竭入院，今突然口吐粉红色泡沫痰，下列处理正确的是（ ）。A持续高流量给氧B间歇吸氧C吸入经20%～30%乙醇湿化的氧气D加大氧流量E持续低流量给氧
单选题
患儿，女，1岁。因肺炎合并心力衰竭入院，今突然口吐粉红色泡沫痰，下列处理正确的是（ ）。
A
持续高流量给氧
B
间歇吸氧
C
吸入经20%～30%乙醇湿化的氧气
D
加大氧流量
E
持续低流量给氧
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