While planning the project, you discover that an expert resource might be available to work on your project.However, the resource manager will not commit to the resource being on your team at the present time.The BEST thing to do would be to estimate the task:在编制项目计划的时候,你发现有一个专家资源利用到你的项目中,但是,资源经理当时却不能承诺把它分配到你的项目团队中,你估算这个任务时应该:

As if the expert resource were available.按照专家能够利用来估算
B. As though you had an average resource doing the task.按照正常的资源水平来完成任务
C. As if you had an inexperienced resource.按照不熟练资源水平完成任务
D. Using the Delphi metho使用德尔菲法