According to the writer, forecasting is fairly accurate in ______.

A．it is easy to figure out in advance what will happen
B．it is difficult to figure out in advance what will happen
C．only professionals can figure out in advance what will happen
D．very few professionals can figure out in advance what will happen

A．Prediction should be accurate.
B．Professionals sometimes sound like high-school students.
C．There have been big mistakes in the field of economic forecasting.
D．Predictions about the future would always be subject to significant errors.