During the 2007-2009 Financial Crisis the Federal Reserve Took Some

During the 2007-2009 financial crisis the Federal Reserve took some unusual steps in its conduct of monetary policy. Which of the following was not one of them?

A) invested in AIG
B) invested more than $1 trillion in mortgage-backed securities
C) worked with the U.S. Treasury and with other regulators to stabilize banks and thaw frozen credit lines
D) worked with the U.S. Treasury and other regulators to help conduct a stress test of the 19 largest banks
E) bailed out General Motors