A can do $$33\frac{1}{3}$$% of a work in 10 days, and B can do 20% of the same work in 9 days. They worked together for 8 days. C alone completed 30% of the remaining work in 10 days. A and C together can do the same work in:

A

18 days

B

12 days

C

15 days

D

20 days