Mr Green is well known all over the town. _____ he goes, there's somebody who knows him.[ ]

A. However

B. Whenever

C. Wherever

D. Whatever

Graves病甲亢甲状腺的特点是（）

A.症状越严重甲状腺越大

B.甲状腺质地较硬且有触痛

C.用碘剂可使甲状腺变软

D.甲状腺呈弥漫性对称性肿大

E.大多为结节性甲状腺肿