—Did you enjoy the party yesterday?

—__________, so I left early. [ ]

A. It was fun

B. I enjoyed it

C. It was boring

D. I haven't been there

男，48岁。呕血5小时入院。查体：P120次/分，BP80/55mmHg。神智不清，营养状况差。巩膜明显黄染，腹壁可见静脉曲张，肝肋下可触及，质地较硬，边缘较钝，脾肋下6cm，移动性浊音阳性，肠鸣音弱。

首选的检查是

A．腹部X线片

B．腹部B型超声

C．上消化道钡餐造影

D．腹腔动脉造影

E．腹部CT