单项选择题

患者，男，40岁。乏力伴活动后心慌气促5个月，近来皮肤紫瘢。查体：贫血貌，浅表淋巴结无肿大，胸骨无压痛，肝脾肋缘下未触及。实验室检查结果：Hb60g/L，RB.C.2. 4 × 1012/L, WB.C.1.4x109/L，Plt9 ×109/L。
若行骨髓穿刺检査，最可能的检査结果是

A.骨髓中巨核细胞减低
B.骨髓中非造血细胞减低
C.骨髓增生极度活跃
D.“核老浆幼”现象
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