● The earned value technique is a commonly used method of performance measurement. It inte

● 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