In the Figure Below, Uranus and Neptune Do Not Have

In the figure below, Uranus and Neptune do not have bands as distinct as those on Jupiter and Saturn.This is because Uranus and Neptune

A) have wind speeds that vary more smoothly with latitude than the winds of Jupiter or Saturn.
B) are composed entirely of hydrogen and helium and lack more complex molecules.
C) are much closer to the Sun and much colder.
D) rotate 10 times slower.
E) have larger masses.