Help What is TRUE about the figures below?

A: The volume of figure a is the same as the volume of figure B because they have the same radius

B: The volume of figure a is greater than the volume of figure B because the area of the base is greater

c: the volume of figure a is the same as the volume of figure B because they have the same height

d: the volume of figure a is the less than the volume of figure b because the height is less

e:none of the answer choices are correct