[单选题]
The resolving power of a +3 q:u6x,fn/qlnrcvj microscope refers to the abilibij8,1vra w5yi 5jax:r :zq9i4vk0gs ty 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.