After reviewing the project's high-level schedule, a senior manager pointed out that the project manager had made incorrect assumptions about the project team's core working hours. What should the project manager consider when developing a high-level project schedule? 审查项目的高层级进度计划后，一位高级经理指出，项目经理对项目团队的核心工作时间所做的假设不正确。制定高层级项目进度计划时，项目经理应考虑什么？ ◑A.Risk factors风险因素 ◑B.Organizational culture组织文化 ◑C.Market conditions市场条件 ◑D.Geographical distribution地理分布
