问题：
[单选题]点对点模式, 消息队列中的每一条消息只能有( )接收者接收. 如果有多个接收者监听队列, 那么一条消息由哪个接收者接收到是不确定的. 例如排队机.
A、 零个
B、 任意多个
C、 一个
D、 二个
参考答案：
C
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