Which of the following statements about time$-$series forecasting is TRUE?

A$)$ We assume that future demand will be the same as past demand.

B$)$ We primarily use data collected using qualitative techniques.

C$)$ We assume analyzing past demand will help predict future demand.

D$)$ It is better than associative forecasting because it considers trends, cycles, and seasonal patterns.

E$)$ All of these are true.