- A(a)
- B(c)
- C(b)
- D(d)
Step-by-Step Solution
Undo the folds in reverse: mirror in the horizontal crease, then in the vertical crease, giving 12 holes. Each hole keeps its shape, but a mirror top-to-bottom turns the triangle upside down, so the triangles in the top half point down: (b).
Answer: C) (b)