Z, S, W, O, T, K, Q, G, ?, ?

Question: Z, S, W, O, T, K, Q, G, ?, ?
[A].

N, C

[B].

N, D

[C].

O, C

[D].

O, D

Answer: Option A

Explanation:

The given sequence is a combination of two series:

I. Z, W, T, Q, ? and II. S, O, k, G, ?