Which of the Following Statements About State Transition Are True

Which of the following statements about state transition are true? (Choose three.)

A) The neighbor state machine transitions from the Loading state to the Full state if a LoadingDone event occurs.
B) The neighbor state machine transitions from the Exstart state to the Full state if a NegotiationDone event occurs.
C) The neighbor state machine transitions from the Exchange state to the Full state if an ExchangeDone event occurs.
D) The neighbor state machine transitions from the Exchange state to the Loading state if an ExchangeDone event occurs.