You Can De-Trend Your Data by

Multiple Choice

You can de-trend your data by

A) performing OLS on the de-trended data.
B) performing weighted least squares on the initial data by diving the initial data by the estimate coefficient on the time-trend variable.
C) separately regressing the dependent variable and each of the independent on the time trend and subtracting the estimated residuals from the initial data.
D) including a time trend in your OLS regression.