The word “ungelievable” based on Chinese, which has become a big hit online very quickly, ____a message that Chinese can also serve as an addition to English vocabulary.

A．delivers

B．simplifies

C．declares

D．clarifies

治疗妊娠期甲状腺功能亢进，应首选的药物是（）

A.甲硫氧嘧啶

B.甲巯咪唑

C.卡比马唑

D.丙硫氧嘧啶

E.普萘洛尔