[单选题]
If the current flowina t :4dlzdmy nj06uy/zp5k,; xg through azd3*r,,bv hea circuit of constant resistance is doubled, the power dissipated by that cired* ,a z,v3hrbcuit will
A. quadruple.
B. double.
C. decrease to one half.
D. decrease to one fourth.
