【单选题】

You are looking at the following data．Project A has a CPI of 0.8 and SPI of 1.2 and EV of 450．Project B has CPI of 1.2 and SPI of 0.8 and EV of 650．Which of the following statement is true
A．Project B is performing better because it has a higher earned valu

B．Project A has schedule slippage and project B is ahead of schedul
C．Crashing project A is a good optio
D．Crashing project B is a good optio