题目

    Cheating can happen in a lot of different ways. When people cheat, it’s not fair to other people, like the kids who studied for the test or who were the true winners of a game. Many people like the action of cheating. It makes difficult things seem easy, like getting all the right answers on the test. But it doesn’t solve the problem of not knowing the material and it won’t help on the next test --- unless the person cheats again. Some people lose respect for cheaters and think less of them. The cheaters themselves may feel bad because they know they are not really earning设,分别为双曲线的左，右焦点，若在双曲线右支上存在点，满足=,且到直线的距离等于双曲线的实轴长，则该双曲线的渐近线方程为( ▲ ) A.      B.       C.      D.