Answer:
Hemingway is alluding to the Crucifixion of Jesus Christ when he describes Santiago making a noise that man might make when "feeling the nail go through his hands and into the wood". This comparison emphasizes the pain and suffering that Santiago is enduring as he battles the marlin and highlights the sacrificial nature of his quest. Like Christ, Santiago is willing to suffer for a greater cause, and his determination and endurance are a testament to the human spirit.
Step-by-step explanation: