A:being separated
B:having been separated
C:having separated
D:had been separated
1990年,“欧共体12国在养老金和医疗保健方面的亏空就高达7.5万亿欧洲货币单位,相当于同年欧共体国内生产总值的14.5%”。导致这一现象的原因是
—______ is the red dress?
—I think it is Mary's. _______ is red.