What is the difference between what the Fed did during the 2008 crisis and during the Covid Crisis?

a) Unlimited quantitative easing and loans given out, which was not the case during the 2008 crisis

b) The Fed was not active during the 2008 crisis because it was a financial market problem but now it is, since it is a health problem

c)The fed was active during the 2008 crisis because it was a financial market problem but not now since it is a health problem

d) there is no difference as to how the Fed behaved during both the crisis