With the Trend- Adjusted Exponential Smoothing Method

With the trend- adjusted exponential smoothing method,

A) the only smoothing is done on the trend estimates using exponential smoothing.
B) the forecast for the next period is simply the average computed this period.
C) an estimate of the trend is computed by taking the difference between the demand this period and the demand last period to avoid lengthy averaging calculations.
D) the forecast can be adjusted to account for changes in the trend.