Answer:
c
Step-by-step explanation:
Dogs are protected from danger by their instincts, such as their keen sense of smell. This is the only answer choice that provides a counter-argument because it expresses a different view from the one expressed in the passage. The passage supports the idea of doing things to protect your pet from dangers around the house. So a counter-argument would support the idea that pets (in this case: dogs) can protect themselves. The answer choice gives a counter-argument that dogs have a keen sense of smell, suggesting they would be able to smell things and 'know' instinctively NOT to eat or chew it.