Apassenger on your boat has irritated eyes, headache, nausea, weakness, and dizziness. these are early symptoms of what injury?

These are the symptoms of carbon monoxide poisoning. This may be due to the use of gasoline engines, oil, charcoal or propane use as well. This may also be due to blockage of exhaust outlets. Gasoline engines produce carbon monoxide which is odorless and colorless and is deadly for humans. 

Bis the right answer

Ibelieve it's choice d.