項(xiàng)目快要完成時(shí)客戶想對(duì)工作范圍作一大的變更。項(xiàng)目經(jīng)理應(yīng)該:()A.進(jìn)行變更 B.將變更造成的影響通知客戶 C.拒絕變更D.向管理當(dāng)局抱怨