Symmetric three letter pattern with moving centre – UGC NET Question

First and last letters are same and increase: B,C,D,E → F. Middle letters move X,Y,Z,A → next B. So next group is FBF.

Option A:
Option A is correct because outer letters become F and the middle becomes B by continuing the sequence.

Option B:
Option B breaks symmetry rule because outer letters are not identical (F and H).

Option C:
Option C skips the middle-letter progression by jumping to C instead of B.

Option D:
Option D repeats the middle letter A instead of moving to B.