Earned value management(EvM) integrates the scope baseline with the（ ）baseline, along with schedule baseline, to form the performance baseline, which helps the project management team assess and measure project performance and progress.挣值管理（evm）将范围基线与（ ）基线以及进度基线结合起来，形成绩效基线，帮助项目管理团队评估和衡量项目绩效和进度。

A. qulity质量

B. risk风险

C. change变更

D. cost成本