A．People don't have to act their age. B．People should have their own judgments. C．One is never too old too learn. D．People must respect the old and cherish the young. Passage Three
A.People B. B．People C. C．One D. D．People
【参考答案】
A 解析：选项中的People don't have to，People should／must等表明，本题与建......