How to answer this one ?

You are a Project Manager in a construction company. Your Project sponsor is an experienced Project manager herself. She is worried that this Project may fall behind schedule, as winter is fast approaching than normal for this time of year. As a result, she tells you to begin the build phase, even though the design phase isn’t yet completed. Which of the following statements is not true?

You are doing fastracking

You are crashing

Critical path may change