Your project team identified six related projects with major dependencies on your deliverables. Some of these projects have a very similar scope and may overlap with your deliverables. In Light of this, which of the following should you be MOST concerned about

A) Scope change control.
B) Scope verification.
C) Risk response planning.
D) Communications planning.

如图甲所示，空间存在一宽度为2L有界匀强磁场，磁场方向垂直纸面向里．在光滑绝缘水平面内有一边长为L的正方形金属线框，其质量m=1kg、电阻R=4Ω，在水平向左的外力F作用下，以初速度v₀=4m/s匀减速进入磁场，线框平面与磁场垂直，外力F大小随时间t变化的图线如图乙所示．以线框右边刚进入磁场时开始计时，求：

（1）匀强磁场的磁感应强度B；

（2）线框进入磁场的过程中，通过线框的电荷量q；

（3）判断线框能否从右侧离开磁场？说明理由．