Ravi and Sumant can complete a piece of work in 40 and 50 days, respectively. If they work at it on alternate days starting with Ravi on the first day, in how many days will the work get over?

A

$$42\frac{2}{5}$$

B

$$44\frac{1}{5}$$

C

$$44\frac{3}{5}$$

D

$$44\frac{2}{5}$$