Select the letter that can replace the question mark (?) in the following series. C, E, H, J, M, O, R, ?

W T S D

T

Pattern followed is : C + 2 = E , E + 3 = H , H + 2 = J , J + 3 = M , M + 2 = O , O + 3 = R , R +2 = T  T carry the same pattern . Ans = T