What Are Two Advantages of Large Telescopes Over Smaller Ones

Multiple Choice

What are two advantages of large telescopes over smaller ones?

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