Step 1: Analyse options.
- The common characteristic among figures A, B, C, and E is vertical symmetry (the left half is a mirror image of the right half).
- Figure D is asymmetrical; it cannot be divided into two identical mirror-image halves along a vertical line.
Step 2: Conclusion.
Figure D is the odd one out due to its lack of vertical symmetry.
Final Answer: (d) D