The Figure Given Below Illustrates the Market for British Pounds

The figure given below illustrates the market for British pounds. D_£ and S_£ are the demand and supply curves of the British pounds respectively. Who among the following groups will most likely benefit if the exchange rate is pegged at $2.50 per pound?

A) The U.S.importers
B) The British importers
C) The British exporters
D) The import-competing producers in the U.K.