She is the only person alive\living in the accident选哪一个

She is the only person alive\living in the accident
选哪一个

alive
活着的.
living 是有活力的 .
根据句意 她是这场事故中唯一活着的

alive 活着的

She is the only person found alive in the accident.
She is the only person to survive the accident.