Having decided to rent a flat, we _____ contacting all the accommodation agencies in the city. [ ]

A. set about

B. set out

C. set aside

D. set up

患者女性，40岁。上腹部不适，反酸，嗳气4个月，胃镜示胃窦部黏膜充血，小条纹状糜烂，取活检2小块。

镜检如图所示，最适宜的病理诊断是()

A．慢性浅表性胃炎伴肠上皮化生

B．慢性浅表性活动性胃炎

C．慢性萎缩性胃炎

D．慢性浅表性胃炎

E．疣状胃炎