AsmallbusinessownerwouldliketostartkeepingtrackoftheordersreceivedonaWebSphereCommerceV5.6site.Theownerwouldliketoreceiveane-maileachtimeanorderiscompleted.Whichofthefollowingsubsystemsshouldbeconfiguredtoimplementthisrequirement？（）
A.WebSphereMQ
B.WebSphereCommerceAccelerator
C.WebSpherePersonalization
D.Messaging
E.TivoliPolicyDirector
参考答案：D
