Which of the sentences below best expresses the essential information in the highlighted sentence in the passage? Incorrect answer choices change the meaning in important ways or leave out essential information. A. Masters demanded moral behavior from apprentices but often treated them irresponsibly. B. The responsibilities of the master to the apprentice went beyond the teaching of a trade. C. Masters preferred to maintain the trade within the family by supervising and educating the younger family members. D. Masters who trained members of their own family as apprentices demanded excellence from them.