There is a difference between both, while old money has had their money for generations they also have an upper hand. They might have a bit more of insight in they’re buisness and know the ins and outs better than new money, new money is just begining to see and understand the do’s and don’ts.
the souls still shiver is figurative because souls dont physically shiver
I believe that it is B, because the term vivisection isn't commonly used amongst society, or what we consider is the "normal" type of topic to talk about. The answer be clarifies what exactly the type of testing is, which is medical.