What should come in place of the question mark (?) in the given series based on the English alphabetical order? VEC WFD XGE YHF ?

Series: VEC, WFD, XGE, YHF, ?

Look at each position of letters:

1st letters:

V → W → X → Y → Z (next in alphabetical order)

2nd letters:

E → F → G → H → I (each +1 step)

3rd letters:

C → D → E → F → G (each +1 step)

So the next term is: Z I G

Correct answer: ZIG