Right: blue
C
Top: blue
Left: pink
Right: white
The only part that can be rotated to correctly match the missing position is B.
Answer: B
Piece B is the correct answer, as it contains the three necessary colors and their arrangement corresponds to the empty space in the cube.
Conclusion:
The trap in this puzzle lies in looking only at the colors without considering their orientation. A careful analysis of the three visible faces shows that piece B perfectly completes the cube. 
