单项选择题
Youneedtodesigntheretrievalofadvertisingstatisticswithoutcompromisingsecurity.Whatshouldyoudo?（）
A.DesignaNotificationServicessolutionthatsendstheadvertisingstatisticstospecifiedsubscribersbye-mail.
B.DesignaSQLServerWebservicethatrunsastoredproceduretoreturnthestatisticsonacallfromtheadvertisersapplication.
C.DesignaDatabaseMailsolutionthatsendstheadvertisingstatisticstoe-mailaddressesthatarespecifiedinatable.
D.Designastoredproceduretoreturnthestatisticsonacallfromtheadvertisersapplication.
E.Designauser-definedfunctiontoreturnthestatisticsonacallfromtheadvertisersapplication.