Answer :
The least likely to occur is "The dolphins often follow boats back to port".
Answer: D. The dolphins often follow boats back to port.
The least likely to happen when feeding dolphins is the possibility that they will follow boats to the port because most of the time boats are not allowed in the feeding areas of the dolphins.
The least likely to happen when feeding dolphins is the possibility that they will follow boats to the port because most of the time boats are not allowed in the feeding areas of the dolphins.