Number three is the correct answer, since it uses a first-person point of view.
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He would benefit from seeing a live performance because he would be able to view the emotions in real time instead of just reading the words on the paper. Also, a live performance might help him hear lines he missed while reading. The actions will also be more clear. He needs the essay to be as clear as possible.
The answer would be the last one, leave it as is. B and C change the meaning of the sentence entirely, while A sounds unnatural and is too verbose.
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