A Torque Converter Does All of the Following Except

A torque converter does all of the following except:

A) enables the transmission to automatically couple and uncouple from the engine when needed.
B) allows the engine to idle at a stop, even though the transmission is still in gear.
C) multiplies torque from the engine to the input shaft of the transmission under certain driving conditions.
D) transmits lower amounts of torque as engine speed increases.