The news of the mayor's coming to our school for a visit was _____ on the radio yesterday. [ ]

A. turned out

B. found out

C. given out

D. carried out

股骨干骨折的患者在进行下肢实用性锻炼时，出现足部的肿胀、发绀，此时应采取的措施为

A．不必改变方式，继续锻炼
B．减少运动量继续锻炼
C．暂时中止负重练习，立即抬高患肢
D．停止训练数天，观察局部征象的变化
E．不能再进行下肢使用性锻炼