题目

某人射击一次击中目标的概率为0.6，经过3次射击，此人至少有2次击中目标的概率为 （  ） 答案：某人每次射中的概率为0.6，3次射击至少射中两次属独立重复实验。       故选A。_____ makes his parents proud is _____ his son has been admitted by Beijing University. A. That; because        B. That; what        C. What; that           D. What; because