At first, lovesick and infatuated with Rosaline but after he'd met Juliet hopelessly in love
Answer: C) It is a dependent clause.
Explanation: an independent clause is a sentence that has complete meaning on its own (it has at least a subject, a verb and all the necessary complements), a dependent clause is the contrary, is a phrase that, in order to make sense, it needs to be with an independent clause. The given excerpt is a clear example of a dependent clause, because as we can see, it doesn't have complete sense, we can tell that it is missing something.
Nixon was already President of the United States when he and his staffers broke the law in the
Watergate scandal. What about their positions of power may have contributed to their
corruption?