Help me answer all the following:

D$)$ Data Dependent Accommodation

The following is from a Federal Reserve FOMC Statement.

The Committee also decided to continue through the end of the year its program to extend the average

maturity of its holdings of securities$.$ Specifically, the Committee intends to purchase Treasury

securities with remaining maturities of $6$ years to $30$ years at the current pace and to sell or redeem an

equal amount of Treasury securities with remaining maturities of approximately $3$ years or less. This

continuation of the maturity extension program should put downward pressure on longer$-$term interest

rates.

It outlines the monetary policy of

A$)$ Forward Guidance

B$)$ Quantitative Easing

C$)$ Operation Twist

D$)6-30$ Swap Transactions