Why Can a Compound Lens Combat a Refracting Telescope's Chromatic

Multiple Choice

Why can a compound lens combat a refracting telescope's chromatic aberration?

A) Red light is absorbed by a larger amount than blue light.
B) Red light is refracted by a larger amount than blue light.
C) Blue light is refracted by a larger amount than red light.
D) Blue light is absorbed by a larger amount than red light.