which shape has the larger volume? How much larger is it?

pyramid prism
shape 1: A base side: 3, C base side: 5, h Height: 8.41 shape 2: A base side: 3,B base side: 8.41, C base side: 5, h Height: 8.41

a. the prism has a larger volume by three times.

b. the prism has a larger volume by 1/3 times.

c. the pyramid has a larger volume by three times.

d. The volumes are the same.