以下古训警示我们要对自己的行为负责的是

①失足成千古恨，再回首已百年身     

②种瓜得瓜，种豆得豆

③忍一时风平浪静，退一步海阔天空      

④鸟三顾而后飞，人三思而后行

A．②③④

B．①③④

C．①②③

D．①②④

From（）the information concerning the tons per inch or centimeter immersion of a vessel shall be usually found.

A.stability curve

B.deadweight scale

C.table of azimuth

D.freeboard assignment