What should come in place of the question mark (?) in the given series based on the English alphabetical order?
GUY, ZNR, SGK, LZD, ?

Given: GUY, ZNR, SGK, LZD, ?

Logic: Each letter is decreasing by -7 in alphabetical order.

First Letters: G → Z → S → L → ?

G -7→ Z, Z -7→ S, S -7→ L, L -7 → E.

Second Letters: U → N → G → Z →

U -7→ N, N -7 → G, G -7→ Z, Z -7→ S.

Third Letters: Y → R → K → D → ?

Y -7 → R, R -7→ K, K -7 → D, D -7 → W.

Find the Missing Letter-Cluster

L -7→ E, Z-7 → S, D -7→ W

Thus, the missing term is ESW.

Thus, the correct option is (d) ESW.