如图所示，相距为d的两水平直线和分别是水平向里的匀强磁场的边界，磁场的磁感应强度为B，正方形线框abcd边长为L(L<d)、质量为m。将线框在磁场上方ab边距为h处由静止开始释放，当ab边进入磁场时速度为，cd边刚穿出磁场时速度也为。从ab边刚进入磁场到cd边刚穿出磁场的整个过程中 (       )

A．线框一直都有感应电流

B．线框一定有减速运动的过程

C．线框不可能有匀速运动的过程

D．线框产生的总热量为mg(d+h+L)

The homeless dog bounced around to various homes over the years after its owner                 

died until finally it was ____ by a kind family.

A．adapted

B．picked

C．adopted

D．adjusted