After a seaman is discharged，at the end of the voyage，the final payment of wages due must be made at the earlier of within 24 hours after the cargo has been discharged or（）.
- Awithin 4 days after the seaman's discharge
- Bprior to the vessel's departure on the next voyage
- Cprior to loading any out-bound cargo
- Dprior to any change of Master