单选题:幼年特发性关节炎的特点,下列哪项是正确的

题目内容:
幼年特发性关节炎的特点,下列哪项是正确的 A.X线检查常见骨质破坏
B.类风湿因子可为阳性,抗核抗体可出现阳性
C.关节酸痛,主要侵犯小关节
D.发热、消瘦、食欲低下
E.轻度肝、脾、淋巴结肿大,常伴出血

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