单选题
Police did not immediately comment on the cause of the accident, and ________to the public for any video footage of what happened.
【正确答案】
C
【答案解析】固定搭配题。四个选项中,能够表示生病后康复或渡过难关的词组只有pull through,故C为答案。pull back意为“退出;撤离”,pull up意为“停下”,pull out意为“开上路,借道超车”,这三项均不符合语境,可排除。