Steel is more elastic than rubber because it

Answer: Option A

The correct answer is A: requires larger deforming force
Here's why:
Elasticity refers to a material's ability to return to its original shape after a force is applied and then removed.
A material is considered *more* elastic if it resists deformation more strongly.
Think of it this way:
Imagine stretching both a steel rod and a rubber band.
The steel rod needs much more force to stretch even a little bit.
The rubber band stretches easily with much less force.
Therefore, steel is more elastic because it requires a larger deforming force to change its shape.
Option B is incorrect: Steel can be deformed.
Option C is incorrect: Steel is not easily deformed.
Option D (hardness) is related to resistance to scratching or indentation, not elasticity (resistance to deformation and return to original shape).