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【单选题】
患儿,男,8个月。平日多汗,,2日来间断抽搐就诊,发作时体温37.3°C,意识丧失,两眼上翻,手足紧握抽动,可自行缓解入睡,醒后精神好,被诊断为维生素D缺乏性手足搐搦症,此时血钙的值多低于A.
2.5～2.28mmol／L
B.
2.05 ～2.18mmol／L
C.
1.95～2.08mmol／L
D.
1.85～1.98mmol／L
E.
1.75～1.88mmol／L
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D.
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