Yue Yue, ________ 2yearold girl who was hit, began to slip into ________ worse state on

Tuesday night.[ ]

A. the; the  

B. a; a

C. a; the  

D. the; a

男性患者，67岁，既往慢性胆囊炎病史，并反复有急性胰腺炎发作，近1年无腹痛，偶有腹胀，消瘦明显。化验血、尿淀粉酶正常，大便常规见较多脂肪球。胰腺彩超显示胰腺缩小，腹部X线片示胰腺区有钙化。为了进一步与胰腺癌鉴别，需要下列哪种检查

A．胰腺增强磁共振

B．经十二指肠镜逆行胰胆管收集胰管分泌液做细胞学染色检查

C．经十二指肠镜逆行胰胆管造影

D．检测CA199

E．检测血清脂肪酶