"Dynamic" would be the best option from the list in terms of a word that best describes the English language. This is because the English language, like many other languages, is always evolving and changing.
Titillate is the correct way to spell it because it doesn't have two t's between the the two i's. So D. is you official answer. Hope this helps :)
~Shadow
1.Alvarez shows how her parents finally voiced the injustices of their generation.
2.Alvarez shows how she was able to finally speak for her parents’ generation.
3.Alvarez shows how most people learn to speak up for themselves over time.
4.Alvarez shows that her parents thought it was better to never speak of social injustice.
An improper grammer sentence.