You may have one of these; in other words, you have ______ you choose.

A．whichever

B．what

C．no matter what

D．no matter which

下列胰腺病变，哪种不发生钙化（）

A.慢性胰腺炎

B.胰腺癌

C.胰岛细胞瘤

D.单纯性急性胰腺炎

E.胰腺囊肿