Answer:
Metaphor. There's no "like" or "as" for it to be a simile anyways, I think.
D create new social media technology.
Prejudice learn to not judge a book by its cover
The correct answer among all the other choices is A. cash. These words, while in a natural hole it sinks by the center, the stress being up-and-down, belong to Cash. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.