下列属于政府采购当事人的有哪些( )

A．进行政府采购的团体组织

B．供应商

C．采购代理机构

D．政府采购监督管理部门

In the competition to be held, a gold medal, together with a certain sum of money, _____ the champion.

will be given to who will win               B.  will be given to whoever will become

has been given to whoever wins             D.  was given to anyone who became