M anchored three letter symmetric groups – UGC NET Question

Outer letters remain M. Middle letters move A, B, C, D → next E. So the next group is MEM.

Option A:
Option A is correct because it keeps M on both sides and advances the middle letter to E.

Option B:
Option B breaks the symmetry rule because last letter is not M.

Option C:
Option C skips E and jumps to F.

Option D:
Option D jumps further to G and breaks the +1 pattern.