#2 sounds odd. The rest are fine.
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Anonymoussound weird to youGiven the situation, they all sound weird to me. Unless Person B is blind or severely visually impaired, "Can you see?" is not a good start. These sound more idiomatic to my ear, supposing a surprisingly large number of books:
CalifJimUnless Person B is blind or severely visually impaired,in fact, person B is neither blind nor visually impaired
AnonymousHaving said that could you suggest a simplified version of Per.A's monologue (bearing in mind Per.B's age)?CJ has already suggested these: