The sick boy _____ to hospital by the police yesterday.[ ]

A. is taken

B. was taken

C. takes

D. took

患者，男性，47岁。久站后左下肢出现酸胀感、小腿内侧可见静脉突起，诊断为下肢静脉曲张。对此患者日常保健要求中不正确的是（）

A.尽量避免久站

B.尽量避免患肢外伤

C.休息时抬高患肢

D.使用弹力袜

E.尽量减少下肢活动