`1.` The mountaineers who had been trapped by the avalanche were very lucky _____________ by the rescue team within an hour. A. to have found B. to be found C. to have been found D. to being found `2.` As the students who had taken the university entrance exam were waiting for the results _____________ , they seemed _____________ more and more nervous. A. having been announced / to have gotten B. to be announced / to be getting C. announced / to have been gotten D. to be announced / to have been getting