Answers are provided in the image attached.
If we have a negative + a negative, we can change that to a negative - a positive.
Minus a negative can always be changed to plus a positive.
Answer:
"he had to talk so properly that speech was become insipid in his mouth"
Explanation:
This is the only detail/option that states how being "civilized" is not all it's cracked up to be. The definition of "insipid" is "lacking flavor." If Huck Finn is made to speak properly, he loses his boyish, informal manner of speaking. This detail supports the theory that becoming a proper young man is stifling, confining, and intolerable.
It should contain all of the above with the exception of a strong argument as to why the reader is wrong. There would be no need for that unless you are just being rude.