I would say it's the Historian because they study history or the past and have to interpret it so they can figure out how to teach it or stop it from happening again.
Simple, put the research source in your own words. For example, I were to put your question in my own words I would do this: How can I use researched information without quoting it word for word?
Answer:
Situational Irony
Explanation:
Situational irony occurs when incongruity appears between expectations of something to happen, and what actually happens instead. Charlie expected to become like other people, but he is as isolated as when his intelligence was limited. He expected to be like other people, but was actually still isolated.
Answer is A. Injury is just one risk that mountain climbers face.