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

A

m, p, h, q, d, p, m

B

m, p, q, h, d, p, m

C

d, m, m, p, p, h, q

D

d, h, m, m, p, p, q