- A5
- B4
- C3
- D6
Step-by-Step Solution
Only letters with a vertical line of symmetry survive an upright mirror: H, Y and the two A's. D, E, R, B and D all face the other way. So 4. (3 forgets that A appears twice; 5 or 6 wrongly includes D or E, which are symmetric only top-to-bottom.)
Answer: B) 4