[单选题]
If the diameter of a shr2uk0 b (1jsdm n9m0radar5 dot (lvhf-7x dish is doubled, what happens to its resolving power assuming dh5f-(tv7o x lthat all other factors remain unchanged? Its resolving power
A. quadruples.
B. doubles.
C. halves.
D. is reduced to one-quarter its original value.
