C. Concerned citizens can write letters, show up at the polls, and will be wearing pins that say, "Honesty Now."
The answer is C) because it was quoted in the article. When a writer uses another article for their work they cite (put in quotations) the title of the article and anything they used from it or it will be plagiarizing
Usually in business letters, italic formatting will not be used to indent any section, since italics are almost always reserved for emphasizing certain parts of the document.
The correct answer is - When studying mythology, I learned about several gods and goddesses: Zeus, Apollo, Aphrodite, Hermes, and Hercules.
This is the only sentence which is punctuated correctly because the first part (before the list) ends abruptly; it is obvious that something needs to be placed there. In this case, that is a colon.
The other sentences have leading words (particularly, such as, were) that don't require a colon after them.