Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
JL_N_J_PND_NP_DJ_P_D

A

M, D, P, N, J, N, O

B

P, M, D, N, J, O, N

C

P, D, M, J, N, O, N

D

M, D, N, P, N, J, O