下列关于通电直导线在匀强磁场中受安培力的说法，正确的有（　　）

A．安培力的大小只跟磁场的强弱和电流大小有关

B．若导线受到的磁场力为0，导线所在处的磁感应强度必为0

C．安培力的方向必与磁场方向垂直，磁场方向必与电流方向垂直

D．若某段导线在磁场中取某一方向时受到的磁场力最大，此时导线必与磁场方向垂直

A project management plan should be realistic in order to be used to manage the project．Which of the following is the BEST method to achieve a realistic project management plan ？（）

A．Sponsor creates the project management plan based on input from the project manage

B．Functional manager creates the project management plan based on input from the project manage

C．Project manager Creates the project management plan based on input from senior managemen

D．Project manager creates the project management plan based on input from the tea