Eloquence is "Fluent or persuasive speaking or writing"
So it's A) Because it expresses him/her self!
Hope this help :)
Answer:
"research is not a straight line" can mean that it takes trial and error plus lots of effort to get the research needed/getting research isn't easy
"<span>There was no deceiving himself: something terrible, new, and more important than anything before in his life, was taking place within him of which he alone was aware. Those about him did not understand or would not understand it, but thought everything in the world was going on as usual."
-This excerpt shows that only he alone knew that there was change going on in the place, one that is not good, & no one else seems to notice.
hope this helps</span>
