A, B and C invested capital in the ratio of 3 : 4 : 8. At the end of the business term, they received the profit in the ratio of 2 : 3 : 5. What is the ratio of their invested time?

A

15 : 16 : 13

B

13 : 18 : 15

C

16 : 18 : 15

D

16 : 21 : 18