Answer:
b) It stresses how nervous Jamie is
Explanation:
If one's stomach is in "knots," it means that they are nervous or anxious
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>
The correct option is D.
If you go through the above passage carefully, you will notice that the speaker, who is probably a stranger, is begging for a warm welcome, the type of welcome that it is customary for hosts to give to strangers. This implies that, it is part of their culture and custom that strangers should be welcome and treated warmly.<span />
<span>According to Elie Wiesel, the purpose of the camps selection process is to eliminate the weak in order to maintain the strong ones to do the work.</span>