Answer: C) None of these.
Explanation:
A) Rotation. This cannot be the answer since the size of the shape is not changed. Rotation simply just spins the shape.
B) Reflection. This cannot be the answer since the size of the shape is not changed. Reflection produces a shape that is the mirror of the original shape.
D) Translation. This cannot be the answer since the size of the shape is not changed. Translation simply moves the shape while preserving the size.
None of the answer choices change the size of the figure.