Which one of these statements provides a reason as to why CO is poisonous?

Options

1. ACO interferes with the body's ability to transport oxygen in the bloodstream, leading to oxygen deprivation.
2. BCO reacts with vital enzymes in the body, causing them to become inactive.
3. CCO forms stable complexes with hemoglobin, preventing it from binding with oxygen.
4. DCO disrupts the pH balance in the blood, leading to respiratory failure.