Which is the correct option is case of Cockroch in following column A and B ?

• A. P, Q, R, S = i, ii, iii, iv
• B. P, Q, R, S = iii, iv, ii, i
• C. P, Q, R, S = iii, iv, i, ii
• D. P, Q, R, S = iv, iii, i, ii