A Moving Average Is Similar to Trend Analysis,but with the Difference

A moving average is similar to trend analysis,but with the difference that:

A) a trend analysis is a more complicated calculation than a moving average
B) a trend analysis tells what will happen while a moving average tells what has happened
C) a moving average tells what will happen while a trend analysis tells what has happened
D) a moving average relies on exponential smoothing,while a trend analysis looks at the straight numbers
E) a moving average looks at the average of the rate of change for the previous few periods,while a trend analysis looks at the straight numbers for each period