题目

家鸽胸部的骨非常突出，飞行时，牵动两翼的肌肉主要着生在( ) A . 后肢 B . 脊椎骨 C . 颈部 D . 胸骨 答案：DI don't clearly remember who __________ the question but I clearly remember it __________ a heated discussion.A. brought up; brought about B. raised; brought outC. brought in; brought about D. brought up; brought up