[单项选择]Much of the language used to describe monetary policy, such as "steering the economy to a soft landing" or "a touch on the brakes", makes it sound like a precise science. Nothing could be further from the truth. The link between interest rates and inflation is uncertain. And there are long, variable lags before policy changes have any effect on the economy.
Given all these disadvantages, central bankers seem to have had much to boast of about late. Average inflation in the big seven industrial economies fell to a mere 2.3% last year, close to Its lowest level in 30 years, before rising slightly to 2.5% this July. This is a long way below the double-digit rates which many countries experienced in the 1970s and early 1980s.
It is also less than most forecasters had predicted. In late 1994 the panel of economists which The Economist polls each month said that America’s inflation rate would average 3.5 % in 1995. In fact, it fell to 2.6% in August, and is expected to average
A. there is a clear relationship between inflation and interest rates
B. the economy always follows particular trends
C. the current economic problems are entirely predictable
D. the present economic situation is better than expected