When we say verbal, this is a word that is formed from a verb, but it does not function as a verb, but rather, as a different part of speech. An example of this would be a gerund. Therefore, the answer for the given question above is option C. The function of a verbal is to <span> act as another part of speech. Hope this answer helps.</span>
The text structure of a passage helps the author to convey their point more efficiently. Depending on what the subject is, a certain structure can be more effective than others.