第20题: [单项选择]Children who generally tended to progress academically were______ A. those whose mothers gave them more affection B. children who had been given a balanced diet C. those whose fathers worked the night shift D. those who had no brothers or- sisters 参考答案:D 答案解析:第三段第二句指出,随着家庭孩子的增加和经济负担加重,父亲对孩子的关心和参与便减少,而父亲对孩子发展的积极关注对孩子的进步有极大的影响。可见,孩子的多少会决定父亲的关注程度。