听力原文：M: Would you like some toast and jam, Mom? W: Why, yes, thank you. I believe I would. That's mother's dear boy, always thinking of others. Only not too much jam on my toast. What did the woman think about the man? A．He isn't a selfish man. B．He's her loving son always thinking of her. C．He's a helpful young man. D．He's loved by others.