What _____________ your family like to do? [ ]

A. does

B. do

C. is

下列事例中，属于做功改变物体内能的是 [ ]

A．冬天晒太阳感觉暖和

B．冬天两手互相摩擦，手感觉暖和

C．冬天围着火炉烤火感觉暖和

D．冬天在暖气房里感觉暖和