the volume of the prism compare to the volume of the pyramid

A the volume of the prism is 1/3 the size of the pyramid
B the volume of the pyramid is three times as large as the volume of the prism.
C the volume of the prism Is three times as large as the volume of the pyramid
D The volume of the prism is the same as the volume of the pyramid

B the volume of the pyramid is three times as large as the volume of the prism.