题目

    When going through major life changes, like changing careers, I would change the people with whom I spent the most time. We’ve all gone through periods when the people in our lives have changed—graduation, moving to a new city, getting a new job, joining a new club, etc. I don’t think I need to convince you just how much influence other people can have over your identity. If you’ve ever experienced a major switch in your people environment, then you know that you change as well. Most people don’t make these choices consciously though. You might consciously decide to spe若不等式组所表示的平面区域被直线分为面积相等的两部分，则的值是（   ）A． B． C． D．