女性，76岁。一周前牙痛肿胀未治疗，两天来出现高热，体温40℃，头痛咳嗽，咳黄脓痰，痰量逐渐增多有臭味，实验室检查：白细胞23×10／L，中性粒细胞90％，X线胸片右上肺大片浓密阴影，边缘不清中央有2cm×2cm脓腔及液平。
本病应与哪种疾病相鉴别（）
A.支气管肺癌
B.支原体肺炎
C.肺念珠菌病
D.病毒性肺炎
E.真菌性肺炎
参考答案：A
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