Bernard ignores the conversation because he knows his fate would be sealed even more if he spoke up.
Explanation:
In the conversation between Mond, John and Helmholtz he knows that Mond will have the upper hand and anything that Bernard might say about what he was willing to do against the new society by reading the texts and organizing people who fail even further.
So he stays silent and only talks up to beg Mond to reduce his sentence for his crime of doing it but his friends had until them pretty much spilled the beans and had engaged in a discussion about the things they were doing.
The Answer is A Bcs it would be the best example to talk on a speech unles you have other taste of writing
"Though we were the closest thing Pranab Kaku had to a family that day, we were not included in the group photographs that were taken on the grounds of the country club, with Deborah's parents and grandparents and her many siblings" &" Deborah had made sure that my parents, who did not eat beef, were given fish instead of filet mignon like everyone else<span>."</span>
True. The purpose of a persuasive essay is to persuade or convince the reader of something.