If a GMDSS radio operator initiates a DSC distress transmission but does not insert a message, what happens?

A
The transmission is aborted and an alarm sounds to indicate this data must be provided by the operator.
B
The transmission is not initiated and "ERROR" is indicated on the display readout.
C
The transmission will be made with "default" information provided automatically.
D
The receiving station will poll the DSC unit of the vessel in distress to download the necessary information
E