Answer:
C. Body language accounts for most of the message we send to others.
Explanation:
Is this still true at the end?- I think this could be answered either way.
I think that Nick hates the way money makes people act and that the rest of the characters are so caught up in this that it causes the outcome (or tragedy) at the end of the book.
They are sometimes factual
The mood is conveyed by the choice of words as in simple casual speech or difficult, more formal words, the tone of the writers is something to consider also