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下面关于项目群经理的说法哪一项是正确的?(140703班凡槿译)Which of the following is true of program managers?
A.
他们向下一结构层次的项目经理报告。They report to project managers who represent the next level in the hierarchy.
B.
他们意识到管理一组项目群比管理一个项目简单。They recognize that managing a program is simpler than managing a project.
C.
他们对领导项目群内项目的项目经理进行领导并指明方向。They provide leadership and direction for project managers heading the projects within a program.
D.
他们只负责交付项目成果。They are responsible solely for the delivery of project results.