单选题How can a developer ensure that a fault will occur if the service does not recognize a SOAP header entry containing a transaction number？（）ASet the faultCode value to soap：TransactionBInclude a Fault element in the SOAP messageCInclude a mustUnderstand
题目
单选题
How can a developer ensure that a fault will occur if the service does not recognize a SOAP header entry containing a transaction number？（）
A
Set the faultCode value to soap：Transaction
B
Include a Fault element in the SOAP message
C
Include a mustUnderstand attribute in the header entry
D
Include a detail element containing application-specific elements according to the XML Schema