单项选择题

You have an existing Windows Communication Foundation (WCF) Web servicE.The Web service is not responding to messages larger than 64 KB.You need to ensure that the Web service can accept messages larger than 64 KB without generating errors. What should you do?（）
A.Increase the value of maxReceivedMessageSize on the endpoint binding.
B.Increase the value of maxRequestLength on the httpRuntime element.
C.Increase the value of maxBufferSize on the endpoint binding.
D.Increase the value of maxBufferPoolSize on the endpoint binding.