What Role,if Any,did Marketing Play in the U

What role,if any,did marketing play in the U.S.housing crisis that began in December 2007?

A) Marketers acted unethically by only advertising bank loan rates in certain areas of the country.
B) The housing crisis was triggered by marketers who took consumers' basic need for a house and encouraged their want to buy a house that was more than they could afford.
C) Marketers did not play a role in the housing crisis,as the problem was between consumers seeking housing loans and the lenders who granted the loans.
D) Marketers did not play a role in the housing crisis because,in the end,consumers are ultimately responsible for the products they purchase.
E) Marketers were responsible for not notifying the public that a crisis was looming.