The percentage of people aged 28 - 35 remaining single increased abruptly between 1985 and 1990 and continued to slowly rise over the next five years.
a) The percentage of people aged 28 - 35 remaining single increased abruptly between 1985 and 1990 and continued to slowly rise over the next five years.
b) The percentage of people aged 28 - 35 remaining single increased abruptly between 1985 and 1990 and has continued to rise more slowly over the next five years.
c) The percentage of people aged 28 - 35 remaining single increased abruptly between 1985 and 1990 and had continued to rise more slowly over the next five years.
d) There had been an abrupt increase in the percentage of people aged 28 - 35 who remained single between 1985 and 1990 and it continued to rise more slowly over the next five years.
e) There was an abrupt increase in the percentage of people aged 28 - 35 who remained single between 1985 and 1990 which continued to rise more slowly over the next five years.
a) The percentage of people aged 28 - 35 remaining single increased abruptly between 1985 and 1990 and continued to slowly rise over the next five years.
b) The percentage of people aged 28 - 35 remaining single increased abruptly between 1985 and 1990 and has continued to rise more slowly over the next five years.
c) The percentage of people aged 28 - 35 remaining single increased abruptly between 1985 and 1990 and had continued to rise more slowly over the next five years.
d) There had been an abrupt increase in the percentage of people aged 28 - 35 who remained single between 1985 and 1990 and it continued to rise more slowly over the next five years.
e) There was an abrupt increase in the percentage of people aged 28 - 35 who remained single between 1985 and 1990 which continued to rise more slowly over the next five years.
