Which of these forecasting techniques will yield forecasts that are identical to a naive$$ forecast?

A$.$

exponential smoothing with alphaequals$1$

B$.$

a simple moving average of two periods

C$.$

weighted moving average with Upper D Subscript t Baseline equals$0\mathrm{.}5$ and Upper D Subscript t minus $1$ Baseline equals$0\mathrm{.}5$

D$.$

a trend line with beta$=1\mathrm{.}0$