Why Will Persistently Restrictive Monetary Policy Often Lead to Low

Why will persistently restrictive monetary policy often lead to low interest rates?

A) Decision-makers expect the inflation rate to rise,and this will reduce nominal interest rates.
B) Decision-makers expect deflation,and this will keep nominal interest rates low.
C) Decision-makers expect low rates of unemployment in the future and this will reduce nominal interest rates.
D) Decision-makers expect higher stock prices in the future and this will reduce nominal interest rates.