Five men can complete a work in 20 days. Ten women can complete the same work in 15 days. Two men and six women started working together. After 5 days, three women left the work and a new man joined the work. The group continued working togethertill the end of the work. In how many days will they be able to do the remaining work?

A

$$16\frac{2}{3}$$

B

14

C

$$18\frac{1}{3}$$

D

19