You are assigned as the project manager in a project with an aggressive schedule. During a recent meeting your team complained about the high pressure applied and the many hours of overwork time. What should you do first

A) Try to obtain additional budget and time.
B) Improve team communication and availability of high quality data on risks. Use this information to enable you to make well-founded decisions earlier.
C) The problem might be the customer disturbing project rhythm. Keep him on distance from the team.
D) Apply fast tracking to shorten project duration without additional work.

(本题10分)经过某十字路口的汽车，它可能继续直行，也可能向左转或向右转.如果这三种可能性大小相同，现有两辆汽车经过这个十字路口.

小题1:(1) 试用树形图或列表法中的一种列举出这两辆汽车行驶方向所有可能的结果；

小题2:(2) 求至少有一辆汽车向左转的概率.