请简述受理投诉时的技巧？
参考答案：倾听客户诉求，给客户发泄的机会，对客户表示同情和理解，真诚的道歉快速采取行动。
Ever since my brother graduated from the university, he _______ in the present company for 15 years and he is now chief engineer of the company. [ ]
A. worked
B. has been working
C. is working
D. works
游戏《上古世纪》中建造房屋第一步是（）
A.获得图纸
B.申请通过
C.收集原料
D.购买地皮
