When it comes to consumer society, protest groups are insisting that some of our money ______ to the third world.

A．give

B．should give

C．is given

D．be given

PC机中使用的双通道RDRAM每个通道的数据位宽为16,它在一个存储器总线周期内实现两次数据传送。当存储器总线时钟频率为400MHZ时，这种双通道RDRAM的带宽是

A．400MB/S

B．800MS/S

C．1.6GB/S

D．3.2GB/S