Housing prices in Beijing and Shanghai are now largely ________ for low­income families.

A．out of control

B．out of touch

C．out of reach

D．out of order

《计算机软件保护条例》中所称的计算机软件(简称软件)是指

A．计算机程序

B．源程序和目标程序

C．源程序

D．计算机程序及其有关文档