Between the two parts of the concert is an interval, _____ the audience can buy ice-cream. [ ]

A. when

B. where

C. that

D. which

临床上可表现出面色潮红、腹泻、心悸的甲状腺癌病理类型为（）

A.腺瘤恶变

B.滤泡状腺癌

C. * * 状腺癌

D.未分化癌

E.髓样癌