To Force the Value of the British Pound to Depreciate

To force the value of the British pound to depreciate against the dollar, the Federal Reserve should:

A) sell dollars for pounds in the foreign exchange market and the Bank of England should sell dollars for pounds in the foreign exchange market.
B) sell pounds for dollars in the foreign exchange market and the Bank of England should sell dollars for pounds in the foreign exchange market.
C) sell pounds for dollars in the foreign exchange market and the Bank of England should sell pounds for dollars in the foreign exchange market.
D) sell dollars for pounds in the foreign exchange market and the Bank of England should sell pounds for dollars in the foreign exchange market.