It can’t be denied that the Diaoyu Islands are _______ part of China and what some Japanese have done recently is actually _______ offence against Chinese people.

A．a; /

B．a; the

C．the; /

D．/; an

一女性患者因周期性低血糖行超声检查，于胰腺体部探及17mm边界清晰，包膜规整的卵圆形均匀性低回声结节，其诊断最可能为（）。

A.胰腺囊腺瘤

B.胰腺癌

C.胰腺真性囊肿

D.胰腺腺瘤

E.胰岛素瘤