The doctor had almost lost hope at one point,but the patient finally ______.

A．pulled out

B．pulled through

C．pulled up

D．pulled over

在班集体中，如果没有_______、各想各的、各做各的，班级就象一盘散沙。 [ ]

A、共同的话题   

B、共同的价值观    

C、共同的兴趣      

D、共同的目标