【单选题】【消耗次数：1】
治疗下肢静脉曲张并发小腿慢性溃疡最彻底的方法是（）。
①
A.患肢抬高,休息
②
B.弹力绷带
③
C.有溃疡者,应在控制局部急性感柒后,尽早手术
④
D.术后48~72h,应制动患肢
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