Embedded Figures — quick quiz

A simple figure (X) is embedded in one of the four complex figures. Identify which complex figure contains figure X. Simple Figure X: A square with its diagonals drawn (forming an X inside the square) Complex Figures: A: Contains overlapping triangles and a rectangle, but no square with diagonals B: Contains a square with only one diagonal drawn from top-left to bottom-right C: Contains circles, a pentagon, and curved lines but no square D: Contains overlapping rectangles and a square with both diagonals forming an X inside