Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
c _ _ w z c _ n _ z c j _ w _ _ j n _ z

A

j, n, j, w, n, z, c, w

B

n, j, j, w, n, c, z, w

C

j, n, j, w, z, n, c, w

D

n, j, n, w, n, z, c, w