Theaccountteamdesignedap5-570solutiontostrategicallypositionthecustomerforfutureIBMannouncements.Thecustomerwasdissatisfieduponimplementingthesolution.AnAIXv5.1partitionwasaddedtotherequirementshalfwaythroughthesolutiondesignprocessanditwasnotconsideredinthefinaldesign.WhatshouldthepSeriestechnicalspecialisthavedonetopreventthissituation？（）

A．SubmittedanRPQ（RequestforQuote）forAIXv5.1supportonap5-570 B．Designedap670becauseitsupportsAIX5.1partitions C．InitiallydesignedasolutionsupportingAIX5.1partitions D．Gainedcustomerapprovalforthefinaldesignpriortoorderingthesystem