In a one-dimensional steady-state heat transfer scenario through a plane wall, if the temperatures on both sides of the wall are constant, which of the following statements is correct regarding the heat transfer rate?

A、Theheattransferrateisdirectlyproportionaltothetemperaturedifferenceacrossthewall.
B、Theheattransferratedependsontheareaofthewallonly.
C、Theheattransferrateisindependentofthethermalconductivityofthewallmaterial.
D、Theheattransferrateremainsconstantregardlessofthewallthickness.