Thereisnothinginthisworldconstantbutinconstancy.-SWIFT Projectafterprojectdesignsasetofalgorithmsandthenplungesintoconstructionofcustomer-deliverablesoftwareonaschedulethatdemandsdeliveryofthefirstthingbuilt. Inmostprojects,thefirstsystembuiltis(请作答此空)usable.Itmaybetooslow,toobig,awkwardtouse,orallthree.Thereisno()buttostartagain,smartingbutsmarter,andbuildaredesignedversioninwhichtheseproblemsaresolved.Thediscardand()maybedoneinonelump,oritmaybedonepiece-by-piece.Butalllarge-systemexperienceshowsthatitwillbedone.Whereanewsystemconceptornewtechnologyisused,onehastobuildasystemtothrowaway,foreventhebestplanningisnotsoomniscient(全知的)astogetitrightthefirsttime. Themanagementquestion,therefore,isnotwhethertobuildapilotsystemandthrowitaway.Youwilldothat.Theonlyquestioniswhethertoplaninadvancetobuilda______,ortopromisetodeliverthethrowawaytocustomers.Seenthisway,theanswerismuchclearer.Deliveringthatthrowawaytocustomersbuystime,butitdoesSOonlyatthe()ofagony(极大痛苦)fortheuser,distractionforthebuilderswhiletheydotheredesign,andabadreputationfortheproductthatthebestredesignwillfindhardtolivedown. Henceplantothrowoneaway;youwill,anyhow.
A.almost B.often C.usually D.barely正确答案D
