男性，58岁。上腹餐后疼痛半年。X线钡餐检查发现胃窦部有一直径为1.5cm大小龛影，局部胃壁略僵硬。B超检查示肝内有一可疑低回声区，约1.5cm。首先需要补充的检查是（）

A.电子计算机X线断层扫描

B.选择性血管造影

C.纤维胃镜检查

D.超声引导下穿刺

E.核素肝扫描

——Do you know________?

——This afternoon.

A．when will the policenman give us a talk

B．where will the policeman give us a talk

C．when the policenman give us a talk

D．where the policeman will give us a talk