In a queue, Anitha is the $$10^{th}$$ from the front while Meena is $$25^{th}$$ from the last and Mohan is just in the middle of the two. If there are 50 persons in the queue, the position of Mohan from the front is

A

$$20^{th}$$

B

$$19^{th}$$

C

$$18^{th}$$

D

$$17^{th}$$