What Was the Main Result of Aristarchus's Determination of the Sizes

Multiple Choice

What was the main result of Aristarchus's determination of the sizes and distances of the Sun and Moon?

A) It showed that the solar system was enormous compared to the size of the Earth
B) It showed that the Sun was smaller than the Earth
C) It proved that the Sun was at the center of the universe
D) It produced results unequaled in accuracy until the 20^th century