These experiences ______ me _____ the drug’s harmful effects. 

A．are convinced; by

B．convinced; of

C．were convinced; by

D．convinced; at

某计算机的Cache共有16块，采用2路组相联映射方式(即每组2块)。每个主存块大小为32字节，按字节编址。主存129号单元所在主存块应装入到的Cache组号是( )。

A．0

B．2

C．4

D．6