题目

 Dogs already guide blind and disabled people and now they are to be trained to help people with dementia. The idea developed by some university students will now be put into practice by Scotland Medical Centre. The research is meaningful, for there are 670, 000 people in Britain who have dementia and by 2021 this is expected to rise to one million.   Dementia can make people confuse day and night or forget basic things such as washing or drinking enough water. The dogs would be trained to help to guide them through the day.   Joyce Gray from Scotland Medical Centre said, “People in促使英国宪章运动出现的原因是。①1832年改革未使工人群众和小资产阶级得到选举权和被选举权②工人队伍不断壮大，实力不断增强③资产阶级镇压人民的抗争④马克思主义思想的影响A. ①②③B. ①②C. ②③④D. ①③④