Neptune and Uranus Have a Bluish Tint Because

Multiple Choice

Neptune and Uranus have a bluish tint because:

A) at their distances, the Sun appears blue, the red absorbed by dust in the ecliptic.
B) they are far away and distance makes objects appear bluish.
C) their atmospheres contain methane, which absorbs red light.
D) their atmospheres contain hydrogen and helium.
E) ammonia ice reflects blue light better than any other color.