______history of the American South is ________history of suffering, also one of hope and success.[ ]

A. A; the       

B. The; the        

C. A; a        

D. The; a

自身免疫性疾病，常合并甲状腺功能降低

A．结节性甲状腺肿
B．甲亢
C．慢性淋巴细胞性甲状腺炎
D．甲状腺腺瘤
E．甲状腺痛