单选题 Mr. Brown's condition looks very serious and it is doubtful if he will
  • A. pull back
  • B. pull up
  • C. pull through
  • D. pull out
【正确答案】 C
【答案解析】pull through度过危机；(使)恢复健康。pull back拉回，撤回。pull up停下；拔起。pull out拔出；离开。