以下哪条信令消息可以判断PSce11变更为站间辅站小区变更准备成功?
（A）SgNB ModificationRequest
（B）SgNBModificationRequired
（C）SgNB AdditionRequestAcknow ledge
（D）SgNB Change Required
参考答案
继续答题：下一题
（A）SgNB ModificationRequest
（B）SgNBModificationRequired
（C）SgNB AdditionRequestAcknow ledge
（D）SgNB Change Required
