It seems to be C, but there is not much context providing me to explain myself.
Erin: [Nodding] Grandma always joined us with her homemade biscuits.
The authors purpose suggested by the text is explain how to use the guitar because it's not trying to convince you to buy a guitar and it isn't teaching you about all the parts on the guitar just how to tune the strings. Hope you found this helpful!
The main purpose is to:
highlight for readers the hardships that Eileen Collins overcame
Explanation:
"Eileen Collins – NASA's First Female Shuttle Commander to Lead Next Shuttle Mission" is a text that bases itself not on the facts of the mission or the the journey of the protagonist once she becomes the shuttle commander.
The story instead focuses on how she overcame bias and odds to become what she has become.
It is a story of her struggles and trials and tribulations that have brought her this far in life.
