Only the elite of society attended the reception for the new governor.

A．those thought of as the best people

B．the intellectuals

C．the white-collar people

D．the officials

当血浆晶体渗透压升高时释放增多的是（）

A.抗利尿激素

B.醛固酮

C.肾素

D.促红细胞生成素

E.前列腺素