You are developing a Windows Communication Foundation (WCF) service. Client applications require reliable sessions to access the service.Users report that they receive ServerTooBusyException errors when their client application tries to establish a session. You need to ensure that the service can handle a minimum of 30 client connection requests. Which ReliableSessionBindingElement property should you configure?（）

• A、MaxRetryCount
• B、MaxTransferWindowSize
• C、MaxPendingChannels
• D、InactivityTimeout