求每个单位的平均基本工资的SQL语句是( )。

A．SELECT 单位,avg(基本工资) FROM zg GROUP BY基本工资

B．SELECT 单位,avg(基本工资) FROM zg ORDER BY基本工资

C．SELECT 单位,avg(基本工资) FROM zg ORDER BY单位

D．SELECT 单位,avg(基本工资) FROM zg GROUP BY单位

The medical team ____ five doctors and ten nurses is to be sent to Wenchuan.

A．consisting of

B．is consisted of

C．consisted of

D．consists of