Read this passage Over the years, time series forecasting has been existence to make timely decision in the face of uncertainty about the future. The making of forecast is an essential what aspect of our life. Basically, all the of forecasting work or the premise that if we can predict that the future will be like we can modify our behaviors or the behavior of the system for better position.
From the passage. We gather that forecasting is ____________
A. new science B. an old science C. an unknown science D. a future science
