Patrick Has a Business Net Operating Loss of $70,000 in 2013.Patrick's

Patrick has a business net operating loss of $70,000 in 2013.Patrick's business did well in 2011 and in 2012.Which of the following is true?

A) Patrick may offset income he generated in 2011 and 2012 with 2013's net operating loss by carrying the net operating loss back to each of those tax years.The remaining net operating loss can be carried forward and used to offset future taxable income.
B) Patrick may use the net operating loss to offset income from any year he chooses.
C) Net operating losses can offset only future income.
D) Patrick may offset the income he made in 2012 with 2013's net operating loss.The remaining net operating loss can be used to offset future gains.
E) None of the above.