Depending on the prompt I`d say formal tone. As if you were going into an interview
The main idea of the following passage from ''In Commemoration: One Million Volumes'' is C. The stories told by los viejitos inspired Anaya's love of words and book. Tone and writing style of this excerpt express an inspiration of someone, in this case - Anaya's admiring of words and book.
A good synonym for ascend is "arise".
I hope this helps :) let me know if i did anything wrong. sorry if it’s hard to see lol