题目

Every year some 15,000 animals - mostly mice - are shipped into the UK for research．Some leading scientists are warning that pressure from animal rights activists is reducing the number of animals being brought into Britain for research．All ferry companies and all but two airlines have stopped importing animals intended for research laboratories． Lord Drayson, who was a minister under the last Labour government, said animal research was regrettably necessary and that people would suffer and die without it．If we do want to have access to medicines, and I believe that we do - in从所给的四个选项中选择最佳答案 Please ________ at the back ________ of the car.　　　[　　] A. sit...seat　　　B.sit...sit C.seat...sit　　　 D. seat...seat