[单选题]
If the diameter of a ra(.kho ; ksmipcavasf+x 369g3dw;3 o8 oovi*eag +egm8ar dish is doubled, what happens to its resolving power assuming that all other factors remain unchanged? Iog8gwi83 ; a*eo+vm eots resolving power
A. quadruples.
B. doubles.
C. halves.
D. is reduced to one-quarter its original value.