The trend component for a time series with seasonality is found by performing a regression analysis with

A) the actual time series as the dependent variable and the period number as the independent variable. B) the actual time series as the independent variable and the period number as the dependent variable. C) the deseasonalized time series as the dependent variable and the period number as the independent variable.

D) the centered-moving-average as the dependent variable and the period number as the independent variable.