Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.

RIN, TFR, VCV, ?, ZWD

XZZ

Explanation:

RIN, TFR, VCV, ?, ZWD

The logic followed here is :

R → (+2) → T → (+2) → V → (+2) → X → (+2) → Z  

I → (-3) → F → (-3) → C → (-3) → Z → (-3) → W 

N → (+4) → R → (+4) → V → (+4) → Z→ (+4) → D  

So, the letter-cluster that replaces the (?) to complete the series is "XZZ"