What Are Two Advantages of Large Scopes Over Smaller Ones

Multiple Choice

What are two advantages of large scopes over smaller ones?

A) Large scopes have a larger field of view and sharper focus.
B) Large scopes are not subject to atmospheric turbulence and opacity like smaller ones.
C) Large scopes are easier to mount and control than small ones.
D) Large telescope have more light gathering power and better resolution.
E) Large telescopes give higher magnification and are easier to build.