Which of the Following Was NOT Reported in the University

Which of the following was NOT reported in the University of Michigan's Survey of Consumer Attitudes telephone surveys over the past two decades?

A) Prior to 1996, survey response rates were not declining.
B) Prior to 1996, survey response rates were declining at about 1% a year.
C) Since 1996, the survey response rates have been declining at about 1.5% a year.
D) The decline of the survey response rate is accelerating.
E) The decline of the survey response rate is finally decelerating.