[单选题]
If the diameter of a radar dish is doubled, what happens t9pn6b wx9;g8b +e mdqwo zz03rytgq nbrz6.l, 5its resolving power assuming that all other factors rem,65t rz 3ygqnblz0. rzain unchanged? Its resolving power
A. quadruples.
B. doubles.
C. halves.
D. is reduced to one-quarter its original value.
