单选题You are building a client for a Windows Communication Foundation (WCF) service. You need to create a proxy to consume this service. Which class should you use?（）AChannelFactoryB ServiceHostCClientRuntimeDCommunicationObject
单选题
You are building a client for a Windows Communication Foundation (WCF) service. You need to create a proxy to consume this service. Which class should you use?（）
A
ChannelFactory
B
C
ClientRuntime
D
CommunicationObject
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