The management of susceptible bile injury depends on a number of factors

The management of susceptible bile injury depends on a number of factors , most imp the mode and timing of the presentation . Which of the following is true / are true regarding a patient presenting with a bike leak after a laparoscopic cholecystectomy?

A)laparotomy should be performed immediately
B)cholangiogrpahy should be performed to determine the nature of the injury
C)operatively places drains should be to removed to allow the fistula to close .
D)the patient should be discharged for spontaneous closure of the leak .