Italics are a style of typeface. They´re commonly used for the titles of works in books, movies, and videogames. And also to put emphasis on keywords and phrases in a sentence, like the question above. In the answer, we must put emphasis on which word the editor doesn´t want to be used.
Option A doesn´t seem correct for me because of the use of quotation marks is for words in another language or to add the exact words of another person used in the text.
