[单选题]
As more resistors are added in 5e2*d bwbno8 fg+ :jusseq/fvooxd 5us258 w( fkries to a constant voltage source, the power supplied by the sourceox(wkf q8/sd v 5o25fu
A. increases.
B. decreases.
C. does not change.
D. increases for a time and then starts to decrease.