Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

A central bank that decides the desired levels of interest rates and inflation and the horizon over which the inflation objective is to be achieved is most accurately described as being:
Option A:target independent and operationally independent.
Option B:target independent but not operationally independent.
Option C:operationally independent but not target independent.

Answer: A