[单选题]
If the voltage acrossi.)dxa)cdclm lc8r+ 3 a circuit of constant resistr 1,pa +xf pdd.3s vpjt942ih +hlwc8sance is doubled, the power dissipated by that circur.hvs+f cdwx hal3p 4+8,d9sjptp1i2it will
A. quadruple.
B. double.
C. decrease to one half.
D. decrease to one fourth.
