单选题患者，男性，28岁，突然发热，体检除显著贫血貌外，无特殊阳性体征。实验室检查：血红蛋白80g/L，白细胞3.0×109/L，血小板80×109/L，网织红细胞明显减少。为明确诊断，最有价值的一项检查手段是（）A胸部X线B骨髓穿刺C束臂试验D出凝血时间E测APTT、INR
单选题
患者，男性，28岁，突然发热，体检除显著贫血貌外，无特殊阳性体征。实验室检查：血红蛋白80g/L，白细胞3.0×109/L，血小板80×109/L，网织红细胞明显减少。
为明确诊断，最有价值的一项检查手段是（）
A
胸部X线
B
骨髓穿刺
C
束臂试验
D
出凝血时间
E
测APTT、INR
参考解析
解析：
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