A flat cardboard net of a cube is arranged in a standard cross: a vertical column of four squares (labeled 1 at top, 2, 3, and 4 at bottom) with two lateral wings attached to square 2 (square 5 on the left, square 6 on the right). If square 3 is placed as the bottom base of the cube, which square forms the top face?
- ASquare 1
- BSquare 2
- CSquare 4
- DSquare 5