● The earned value technique is a commonly used method of performance measuremen
● The earned value technique is a commonly used method of performance measurement. It integrates project scope, cost, and schedule measures to help the project management team assess project performance. If a project’s Schedule Performance Index(SPI=EV/PV) value less than 1.0, it means that __(74)__.
（74）A．the project is ahead of its planned schedule
B．less work was completed than was planned
C．the cost overrun for work completed
D．the cost under-run of performance to date
正确答案：B
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