Was it from the teacher　　　　you learned about this？

A．when

B．where

C．that

D．which

甲状腺癌中最常见的病理类型（）

A.甲状腺 * * 状癌

B.甲状腺滤泡状癌

C.甲状腺未分化癌

D.甲状腺髓样癌

E.甲状腺高功能腺瘤