Read the following passage and then select the correct answer: According to some sources, there are more than 80 million cats li
ving in American houses as pets today. Cats offer companionship and relaxation, but they also have specific needs that require pet owners' attention. Just as a human being must clean his dishes and his bathroom, a cat needs to have a bacteria-free food dish and litter box. With these facts in mind, Americans need to begin working on ways to improve the cleanliness of home areas for their cats.
I think the question asks for which of the sentences in the text state the specific opinion of the author, rather than repeating facts from elsewhere. This sentence is this one:
<span>With these facts in mind, Americans need to begin working on ways to improve the cleanliness of home areas for their cats
You can see that it's a recommendation through the verb "need to". </span>
