Unemployment Is Increasingly a Standard Condition in the U

Unemployment is increasingly a standard condition in the U.S. economy because:

A) the success of Keynesian economics mandated a continuous cycle of unemployment
B) as welfare benefits have increased, it has become unnecessary to work to have a decent life
C) U.S. workers have become increasingly lazy relative to other workers in the global economy
D) the worldwide economic recession was combined with a reduced need for labor power