题目内容：
（ ） is a collection or projects and other work that are grouped together to facilitate effective management of that work to meet strategic business objectives.
A.program
B.portfolio
C.project of large size
D.PMO
参考答案：
答案解析：
选择题：（ ） is a collection or projects and other work that are grouped together to fac
- 题目分类：软件水平考试
- 题目类型：选择题
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