Which Statement Best Describes Economic Fluctuations

Which statement best describes economic fluctuations?

A) Expansions and contractions typically have about the same lengths.
B) Expansions typically last 7 years,while recessions typically last 3 years.
C) Expansions tend to be shorter than contractions.
D) The percent change in output is larger during recessions than during expansions.
E) Expansions and contractions vary in duration and magnitude,with expansions tending to last longer than contractions.