A right pyramid with square base has side of base 12 cm and height 40 cm. It is kept on its base. It is cut into 4 parts of equal heights by 3 cuts parallel to its base. What is the ratio of volume of the four parts?

A

1 : 8 : 27 : 70

B

1 : 7 : 19 : 47

C

1 : 7 : 19 : 37

D

1 : 8 : 27 : 64