The answer is choice D. incessant
D - The cake is burned; and so we'll have to bake another one.
When using a semi-colon to combine two independent clauses (in a compound sentence), you much also use a coordinating conjuction. Option D is the only one with the coordinating conjunction (and).
I'm in AP lang and I would say an argumentative because you have create a counter claim which needs a lot of evidence