The correct answer is C. The author's use of dark, sinister words provides the perfect backdrop for suspense
Step-by-step explanation:
Diction refers to the use of words chosen by the author for certain purposes, this means the style of writing the author has and how that style changes according to the context, audience, purposes, and message the author wants to transmit. Diction in a story is especially important as it determines whether the reader is engaged or not to the story and changes depending on the stage the story, an example of this is suspense as the author needs to choose carefully the writing style to create on the reader the state of not knowing what will happen next. Thus, when the author uses sinister words to create a backdrop for suspense diction is involve, as it implies choosing words to create a style for a specific purpose. Also, from the options given C is the only one that implies choosing words.