问题：
[单选题]某男，58岁。因下肢静脉曲张行高位结扎及剥脱术后4h,因站立排尿，小腿部伤口处突然出血不止。紧急处理方法是
A、钳夹结扎止血
B、平卧抬高患肢，加压包扎
C、指压止血
D、用止血带
E、于站立位包扎
参考答案：
B
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