What is TRUE of the history display of a target’s past positions on an ARPA?（）

AIt provides a graphic display to emphasize which vessel is on a collision course

BIn the true presentation，it provides a quick visual check to determine if a vessel has changed course

CThe display is one of the primary inputs and must be in use when using the trial maneuver capability

DIt provides a graphic display of a target vessel's relative course，speed，and CPA