Mother was so weak after her operation that the doctors wondered if they would be able to______her through.
【正确答案】 A
【答案解析】四个选项中A、C项可与through搭配。pull through渡过难关，恢复健康；push through挤过去，设法完成。句意是：母亲在手术后如此虚弱，医生们在想他们能否帮她渡过这一难关。所以正确答案是A选项。