Answer:
It makes sense but you need to work on your grammar and punctuation.
Explanation:
I believe that the correct answer is D because it is already stated once that they need the sirens so it is giving us a fact that has already been stated.
Answer-
Addition : moreover, in addition, furthermore
Cause and effect: therefore, as a result of
Contrast and conflict: On the other hand, however, for this reason, in contrast
Sequence and order: Last, first, subsequently
(Tell me if I missed anything)
Doing an essay was simple if you first created an outline of introduction, body paragraphs, evidence for support, conclusion, and restate.