Just as a famous man _____ it, "Anything one man can imagine, other men can make _____ real." [ ]

A. says; it

B. puts; /

C. says; /

D. puts; them

接地电阻表中相敏整流电路对被测电压信号进行变换后输出并供给检流计电压，反映的是被测接地电阻上交流信号的大小和相位。