The Great Recession of 2008 That Rocked the World in the Autumn

The Great Recession of 2008 that rocked the world in the autumn of that year was

A) precipitated by the bursting of the American housing bubble.
B) prompted by the sudden, unanticipated ending of the Federal Reserve System's easy-money policies.
C) caused by the unsuccessful nationalization of the two biggest mortgage companies, "Freddie Mac" and "Fannie Mae."
D) caused by the collapse of the Wall Street investment firm of Lehman Brothers.
E) not immediately addressed by the Bush administration, which took several months before responding to the economic collapse.