A person started a business with Rs.15 lakhs. After 2 months, B joined A as a partner  and after 4 more months C joined A and B as a partner. At the end of the year, they shared the profit in the ratio 9 : 8 : 5. Then the ratio of the capitals of B and C was

A

17 : 13

B

21 : 25

C

24 : 25

D

27 : 24