B. Bone denesity because as we age our bones become brittle and can break easily hence why older people often break their wrist or hips when falling. And being fit can help.
If I'm understanding you correctly (sorry, I'm new at this) It sounds like you are describing an accident that either didn't actually happen, or was minor compared to what could have happened. I would call this a "near miss" or "close call"
Explanation:
For example: I had a near miss today when a dog ran out in front of me.
Or: He had a close call when his foot almost slipped over the edge of the cliff.
<span>B. CONCEDE is your answer. Hope it helps.</span>
I think the answer to the question is c. You are welcome