There were 36,000 hardback copies of a cer
题型：单项选择题
问题：
There were 36,000 hardback copies of a certain novel sold before the paperback version was issued. From the time the first paperback copy was sold until the last copy of the novel was sold, 9 times as many paperback copies as hardback copies were sold, if a total of 441, 000 copies of the novel were sold in all, how many paperback copies were sold ？（）
A．45,000
B．360,000
C．364,500
D．392,000
E．396,900
图2在DHCP客户机上执行ipconfig/renew时捕获的报文及第2条报文的分析