问题
单项选择题
The most crucial time for project risk assessment is ().
A. when a problem surfaces
B. during the planning phase
C. during the close-out phase
D. after the project schedule has been published
答案
参考答案：B
解析：进行项目风险评估最关键的时候是：规划阶段 A：问题出现时 B：规划阶段 C：结束阶段 D：项目进度公布后