Four letter cyclic blocks with wrap around – UGC NET Question

The starting letters move cyclically forward: X, Y, Z, A, so next is B. Four consecutive letters from B give BCDE.

Option A:
Option A is correct because it starts at B (after A) and keeps 4 consecutive letters.

Option B:
Option B starts at C, skipping the required start B.

Option C:
Option C jumps back and breaks the forward cyclic flow.

Option D:
Option D repeats an earlier term instead of advancing.