Answer:
the letter D. its really obvious
Rob Hall was a New Zealand mountaineer best known for being the head guide of 1996 Mount Everest expedition in which he, a fellow guide and two clients perished. there was a film made in 2015 about it.
B) Casualty
A Casualty is a person or thing badly affected by an event or situation. So For this reason, I believe this is the best answer.
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I believe the answer is Stressful circumstances may force a young person to grow up quickly.
Anne was extremely mature for her age. This was due to the situation she was forced to endure as she had to either adapt or risk losing her life.