The doctor had almost lost hope at one point,but the patient finally _________ .A) pulled out B) pulled up C) pulled through D) pulled over

A选项是拔出
B选项是拔
C选项是转危为安
D选项是靠边
整句话的意思是医生几乎失去了一个希望点，但是病人还是转危为安了。

pull out 拔(撤离,折叠的大张插页,飞机进场重新飞起)
例句与用法:
The project became so expensive that we had to pull out.
这个计画耗资太大,我们只好退出.
A car suddenly pulled out in front of me.
一辆汽车突然横冲到我面前.
A没有恢复健康的意思.
pull through vt.渡过(脱离,使...脱险)
例句与用法:
He will pull through his illness soon.
他很快就会恢复健康的.
If we can pull through this recession,we will be in good shape.
如果我们能渡过这段经济不景气的时间,我们就会好多了.
pull over 把...开到路边
例句与用法:
I shouted to the driver of the tractor to pull over and let me through.
我向拖拉机手喊,要他把拖拉机开到路边让我过去.
Her good look gave her a pull over other girls.
她的美貌使她与其他女孩相比占了优势.
pull up n.拉起(张力,停止,正偏,停车处)
例句与用法:
It was a hard pull up to the mountain hut.
费了很大力气才到达山上的小屋.
I daren't let Bill loose on the garden he'd pull up all the flowers.
我不敢把比尔放到花园去－－他会把花全都拔掉的.
The driving instructor told me to pull up at the post office.
驾驶教练让我在邮局停车.
因此选C