单项选择题

A.partnershavingadiscussionwithcustomersabouttheminimumservicecomponentsneededto
B.customersdeterminingacompetitor’sstrategyforadoptingadvancedtechnologies
C.partnerschoosingtherightproductsfortheircustomers
D.customerschoosingtherightproductsfortheirnetwork
E.customersdefiningthecorrectstrategyforadvancedtechnologyadoption