Question

what did climbing with his prosthetics help herr realize?
rock climbing gets easier as a person grows older.
people who climb should be slow and flexible.
sports can help build strong muscles and bones.
people with artificial limbs can be excellent athletes.

Explanation:

The key is to understand the significance of climbing with prosthetics. It shows that having artificial limbs doesn't prevent one from excelling in sports. Options A and B are not related to the aspect of prosthetics. Option C is a general statement about sports, while the focus here is on people with artificial limbs.

Answer:

D. People with artificial limbs can be excellent athletes.