[单选题]
The resolving power of a microscope refer6:ef r)-iwqo;mhiius*)3ybw h m +ti0s t m4n io(sakyi218p5yg o the ability to
A. distinguish objects of different colors.
B. form clear images of two points that are very close together.
C. form a very large image.
D. form a very bright image.
