问题
单项选择题
The parties to government procurement refer to the principal entities of allkinds that enjoy rights and undertake obligations in government procurement,including the procuring entities,the（）and the procuring agencies.
A.users
B.servers
C.producers
D.suppliers
答案
参考答案：D
解析：
政府采购当事人是指各类在政府采购中享有权利和承担义务的主要实体，包括采购实体，供应商和采购代理机构。
D选项是供应商。