42岁，女性，发现甲状腺肿物1周，质硬，伴同侧淋巴结肿大。患者有腹泻、心悸、脸面潮红等症状。最大可能是（）。

A.甲状腺 * * 状瘤

B.甲状腺高功能腺瘤

C.甲状腺滤泡状癌

D.甲状腺未分化癌

E.甲状腺髓样癌

Of the seven days in a week, Saturday is said to be the most popular ___ for a wedding in some countries.

A．way

B．situation

C．event

D．choice