Which of the Following Explains Why the Unemployment Rate Tends

Which of the following explains why the unemployment rate tends to rise as a recession ends?

A) Discouraged workers begin to search for jobs.
B) The federal government uses a different definition of "unemployed" during recession.
C) Employment insurance tends to be more generous during recessions.
D) The birth rate tends to rise during recessions.
E) Firms reducing hiring as recessions come to an end.