如图是小明同学用伏安法测定灯泡电阻的电路图，当他闭合开关S时，发现灯不亮，电压表的示数为零．故障可能出现在灯或电阻上．若电流表示数不为零，故障的原因可能是______；若电流表示数为零，故障的原因可能是______．

  Thanks to Mrs Black, the father and the son eventually        after ten year’s cold relationship between them.

A．took up

B．made up

C．picked up

D．turned up