From all the aforementioned, the choice which best explains the development of Jerry Cruncher's Character is that he decides to put away bad practices. The answer to your question is B. I hope that this is the answer that you were looking for and it has helped you.
Answer: that he wants other people to think he is clever and mature
Whenever you describe something by comparing it with something else, you are using figurative language. Any language that goes beyond the literal meaning of words in order to furnish new effects or fresh insights into an idea or a subject. The most common figures of speech are simile, metaphor, and alliteration.
B. If you paraphrase from a medical journal, you need to cite your source, and C is obviously theft.
There are different ways you could join the sentences, there's no exact answer. For number 1 I would write "Argentinosaurus, who is a herbivore, is the largest dinosaur discovered so far." For number 2 I'd write "The great white shark is the largest predatory fish, who is smaller than the whale shark."
Hope that helps!