[单选题]
If the voltage across a circuit of conss1-g jn o98yu)l hrf7nfpd 8x,tant resistance i ic5- p/wf/cgcuml3;ks doubled, the power dissipated by thapk;fc5-wcgl/u cm /i3t circuit will
A. quadruple.
B. double.
C. decrease to one half.
D. decrease to one fourth.
