Why Is Saturn Almost as Big as Jupiter,despite Its Smaller

Multiple Choice

Why is Saturn almost as big as Jupiter,despite its smaller mass?

A) Jupiter's greater mass compresses it more,thus increasing its density.
B) Saturn's rings make the planet look bigger.
C) Saturn is further from the Sun,thus cooler,and therefore less compact.
D) Saturn has a larger proportion of hydrogen and helium than Jupiter,and is therefore less dense.
E) Jupiter's strong magnetic field constrains its size.