问

问题如下：

Which is the most accurate statement regarding central banks and monetary policy?

选项：

A.

Central bank activities are typically intended to maintain price stability.

B.

Monetary policies work through the economy via four independent channels.

C.

Commercial and interbank interest rates move inversely to official interest rates.

解释：

A is correct.

Central bank activities are typically intended to maintain price stability. Concerning choice B, note that the transmission channels of monetary policy are not independent.

考点： Monetary policy

解析：

A央行的首要宗旨就是稳定物价，所以A选项正确。

B选项错在四条渠道并非孤立的关系而是相互联系的关系。

C选项错在银行间利借贷利率与市场利率之间的关系应该是正相关、而非负相关。