What's wrong with you,my boy?--My chest --when I male a deep

hurt 表示伤害的时候,是及物动词,有被动语态.如：He hurt his back./ His back was hurt.
人体部位+hurt这个结构里,hurt 表示“疼痛”,是不及物动词,没有被动语态.如你的题.
要选择A.
“当我深呼吸的时候,我的胸会感到疼痛”