下列地理事物，那一项不位于河南省境内（）
A.中岳嵩山
B.华北油田
C.龙门石窟
D.平顶山煤矿
参考答案：B
While having our dinner, _______.
A．the door bell rang
B．our newspapers came to the door
C．we heard the door bell ringing
D．the postman brought several letters to us
证据必须查清属实，才能作为认定事实的依据。
