【单选题】

You are a project manager to upgrade the computer safety of your organization．Your project team is made up of four contractors and two full time employees．This is the first time they have all worked together．You know that the team will go through the stages of team development in the following order：

A、Forming，storming，norming，and performin
B．Storming，norming，forming，and performin
C．Norming，storming，forming，and performin
D．Forming，norming，storming，and performin