Answer:
The option that BEST provides a counter-argument to this passage is "Dogs are protected from danger by their instincts, such as their keen sense of smell."
Step-by-step explanation:
The passage "Pet Dangers " by Carole Jenkins makes a statement about the dangers that dog might face at home and that most pet owners are not aware of them, then the counter-argument would state that dogs do not need people to be aware of everything since their nature will tell them what could be dangerous for them