A phrase is a group of words, without a subject or a verb, that functions in a sentence as a single part of speech. ... A prepositional phrase is a group of words that begins with a preposition and ends with a noun or a pronoun. This noun or pronoun is called the “object of the preposition
Answer:
A REASON explains why the author believes the claim (or thinks it is true or valid). An argument may have one reason or multiple reasons to be strong. REASONING are statements that link evidence back to reasons or claims. Reasoning should clearly explain why the evidence is relevant.
Explanation:
The correct answer is that it is a dependent clause.
A dependent clause, as the name itself says, depends on a larger clause in order to make sense. As you can see in the example above, that clause is incomplete - it needs to be part of a larger, independent clause in order to get a proper meaning. The other options are all complete sentences, which is something the example is definitely not.