ExtremeProgramming(XP)isadisciplineofsoftwaredevelopmentwith()ofsimplicity,communication,feedbackandcourage.Successfulsoftwaredevelopmentisateameffort-notjustthedevelopmentteam,butthelargerteamconsistingofcustomer,managementanddevelopers.XPisasimpleprocessthatbringsthesepeopletogetherandhelpsthemtosucceedtogether.XPisaimedprimarilyatobject-orientedprojectsusingteamsofadozenorfewerprogrammersinonelocation.TheprinciplesofXPapplytoany()projectthatneedstodeliverqualitysoftwarerapidlyandflexibly.2011-AnXPprojectneedsa()customertoprovideguidance.Customers,programmers,managers,areallworking()tobuildthesystemthat'sneeded．Customers-thosewhohavesoftwarethatneedstobedeveloped-willlearnsimple,effectivewaysto(请作答此空)whattheyneed,tobesurethattheyaregettingwhattheyneed,andtosteertheprojecttosuccess.
A.tell
B.know
C.communicate]
D.feedback
正确答案是C