Which sentence is written using the most formal style

Why does the author of “about a girl” begin the article with the statement “blessed as i am with an ordinary memory”? a.) she wants to show readers she is an ordinary person to them relate to her writing. b.)she believes readers take their memories for granted and wants them to learn how to appreciate memories instead. c.) she wants readers to be for what they have. d.)she feels that she is able to remember absolutely everything.

"as one of our outstanding historical figures once said, ‘when a great democracy is destroyed, it will not be because of enemies from without but rather because of enemies from within.’" (paragraph 7) how does this quote reveal mccarthy’s point of view and advance the purpose of his speech?

Which is these is not a benefit of parallel structure? a)clarity b)classification c)emphasis d)balance