[单选题]
As more resistors are added in series to a ie)( j+:ygnu c8ya 2rb.8mryz constant voltage s+4j/inxzdc 7 p dl5; zb75pgysource, the power supplied syxi pzz5gldb / 7 5jd7;4+pncby the source
A. increases.
B. decreases.
C. does not change.
D. increases for a time and then starts to decrease.
