Not c , not d , a or b <3
The first one is analyse as the as the academic word, <span>an the other one is darkroom for your domain-specific word</span>
The very first part “The students completed the math assignment” is not parallel with its other parts. Since the other sentences discuss either English or words/terms, it wouldn’t be a good idea to add the first sentence in this.
It's a kind of logical argument that applies to deductive reasoning to arrive at a conclusion based on two or more propositions that are asserted or assumed to be true.