Choose the figure which is different from the rest.

Let's examine the set of letters contained inside each $3\times 3$ grid figure:
* Figure A: Contains the unique set of letters $\{\text{X},\text{Q},\text{A},\text{V},\text{Y},\text{M},\text{E},\text{W},\text{O}\}$
* Figure B: Contains the unique set of letters $\{\text{X},\text{O},\text{A},\text{W},\text{E},\text{Y},\text{M},\text{V},\text{Q}\}$ (Same letters as A, rearranged)
* Figure D: Contains the unique set of letters $\{\text{V},\text{Q},\text{Y},\text{A},\text{W},\text{X},\text{E},\text{M},\text{O}\}$ (Same letters as A, rearranged)
* Figure C: Contains the unique set of letters $\{\text{V},\text{O},\text{F},\text{M},\text{X},\text{Y},\text{W},\text{A},\text{Q}\}$

Figure C stands out because it introduces the letter 'F' and lacks the letter 'E', whereas all other figures share the exact same set of 9 distinct letters.