Which of the Following Is a Correct Statement as It

Which of the following is a correct statement as it relates to the business cycle?

A) Due to better government management of the economic environment,the business cycle has become less volatile in recent decades.
B) A depression occurs when the trough of the business cycle extends five or more years.
C) There are no recognizable short-term phases in the business cycle;rather,the cycle can only be recognized as a long-term phenomenon.
D) A recession is usually defined as two consecutive quarters when the economy shrinks.
E) All of these are correct.