21 Teachers depend on more than their own experiences to impart a set of values to students and to teach them tobecome responsible citizens.
(A) Teachers mainly use their own experiences to help students see the values and responsibilities of the youngergeneration.
(B) Based on their own experiences, teachers help their students develop a set of values and a sense ofresponsibility.
(C) Teachers employ various ways, including their own experiences, to foster a set of values and a sense ofresponsibility in students.
(D) Teachers prefer not to use their own experiences to help students develop a set of values and becomeresponsible citizens.