【单选题】
A An internal service provider that is embedded within a business unit嵌?在业务单元内部的服务供应商
B A complete set of all the documentation required to deliver world class services tocustomers ?套为客户提供世界级的服务所需的完整?件
C Technical implementation of supporting IT infrastructure components?持IT基础设施组件的实施技术
D The implementation and management of quality IT services that meet business needs可满?业务需求的?质量IT服务的实施和管理
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