单选题Which interface must a class implement to be informed of a session creation event？（）Ajavax.servlet.http.HttpSessionListenerBjavax.servlet.http.HttpSessionBindingListenerCjavax.servlet.http.HttpSessionCreationListenerDjavax.servlet.http.HttpSessionActiv

单选题Which interface must a class implement to be informed of a session creation event？（）A  javax.servlet.http.HttpSessionListenerB  javax.servlet.http.HttpSessionBindingListenerC  javax.servlet.http.HttpSessionCreationListenerD  javax.servlet.http.HttpSessionActivationListener