在空气中，穿电线的钢管4根以上并列敷设时载流量的校正系数为（）。
A.0.7
B.0.8
C.0.9
D.0.95
参考答案：C
The boy was beaten by his stepmother, tears _______ down his cheeks quietly.
A．flew
B．flowing
C．flown
D．to flow
我国一般查询电话号码通用的三位数号码是多少？
