$\text{The First term of series follow a sequence like +15 character from current character.}$
- $E+15=T$
- $T+15=I$
- $I+15=X$
- $X+15=M$
$\text{Second term of series follows a sequence like +15}$
- $J+15=Y$
- $Y+15=N$
- $N+15=C$
- $C+15=R$
$\text{Third term of series follow a sequence like +15.}$
- $O+15=D$
- $D+15=S$
- $S+15=H$
- $H+15=W$
So Option $B$ is correct.