One Criticism of the Bank of Canada's Focus on an Inflation

One criticism of the Bank of Canada's focus on an inflation control target is that

A) the Bank pays too much attention to unemployment and real GDP growth and not enough to inflation control.
B) if inflation falls below the target range, a recession will result.
C) it makes setting expectations of inflation difficult.
D) the Bank rarely achieves its target.
E) if inflation edges above the target range, the Bank decreases aggregate demand and could create a recession.