Well, if you want to get your purpose. You have to be smart.
Answer:
Mechanics, each one singing his as it should be, blithe and strong
•Young fellows, robust, friendly
Explanation:
Parallelism occurs when balance is given to phrases within a sentence that have the same structure.
An adjective is a part of speech that is used to describe a noun or a pronoun in a sentence.
Therefore, the texts in the passage from "I Hear America Singing" by Walt Whitman that uses adjectives to enhance the effects of parallelism are "Mechanics, each one singing his as it should be, blithe and strong
•Young fellows, robust, friendly"
Gehrig<span> was known as the </span>Iron Horse<span> because he established a record for the number of consecutive games played by a professional baseball player, appearing in 2130 consecutive games from 1925 to 1939. His record was broken in 1995 by Cal Ripkin, Jr., of the Baltimore Orioles.</span>
The correct answer is C. The author's last name.
Citing something is pretty exact and never changes. It is very important to properly cite so as to avoid being accused of plagiarism.