Answer: Well there is two here. I usually do 'A. Being guarded and self-conscious.' and 'D. Acting responsibly.' Most likely A.
I am wrong on both of these, I am so sorry! But A. seems to make a whole lot of sense. I hope this helps you out. ☺
Since diction in writing refers to the choice of words, the answer is A - strategic word choice used in persuasive rhetoric.
Should be the background situation
Answer: A) The O'Learys were recent immigrants to America from Ireland.
This passage tells the story of a fire. The details it provides are mostly useful to the account, such as the competing theories regarding the reasons for the fire, the identity of the person who released the story, the location, etc. However, the fact that the O'Learys (the family that owned the barn where the fire supposedly originated) were recent immigrants is not relevant to the fire story at all.