如图,AD∥BC,点E在BD的延长线上,若∠ADE=155°,则∠DBC的度数为( ) A.15... 问题详情:如图,AD∥BC,点E在BD的延长线上,若∠ADE=155°,则∠DBC的度数为( ) A.155° B.50° C.45° ...