The correct answer is "It conveys a sense of power and uncontrollability".
Explanation:
The play "Oedipus Rex" is an Athenian tragedy by Sophocles at which the protagonist and his family have a tragic ending as they are exiled from everything they had. In the quote herein shown the word "surging" is used to describe a "tide of terrible disaster". The author uses the word "surging" to describe the tide as something powerful and uncontrollable. This is a metaphor to Oedipus tragedy, which he believed was his destiny to suffer.
Independent clause uses commas to separate independent clauses when they are joined by any of these seven coordinating conjunctions: and, but, for, or, nor, so, yet.