Use the Following to Answer Questions

Use the following to answer questions:
-(Figure: The Money Supply and Aggregate Demand) Refer to Figure: The Money Supply and Aggregate Demand.If the economy is in a recessionary gap,the Bank of Canada will _____ Treasury bills,which will _____ the money supply and _____ interest rates.This is shown in panel _____.

A) sell;decrease;raise; (b)
B) buy;decrease;lower; (a)
C) buy;increase;lower; (a)
D) sell;increase;lower; (a)