Mr. Brown's condition looks very serious and it is doubtful if he will pull ______. (1995年考试真题)
【正确答案】 B
【答案解析】解析:B项pull through表示“挺过去,渡过危机、难关”;pull up意为“向上拉”;pull out意为“拉出”;pull back意为“向后拉”。根据句意,选项B为答案。