27 . — ____ Ms Lin came to see you yesterday afternoon , sir .
— Which Ms Lin ?
— I don\'t know , she called herself Ms Lin .
A . The B . A C . An D . ×
28 . According to the plan beforehand (预先) , the GNP (国民生产总值) in our country in 1998 should be 8% ____ that in 1997 .
A . high B