The correct answer is D. The writer keeps using big, fancy words instead of accurate ones
Step-by-step explanation:
Diction refers to the way a writer or speaker selects words and phrases to convey a specific message, but, diction is also related to the general style of the speaker or writer that made him different from others. Additionally, diction involves each word used transmits the message the writer or speaker wants as it should be clear and adjusted to the context (formal or informal). Considering this, "The writer keeps using big, fancy words instead or accurate ones" is related to diction as it shows the choice of words by the writer and how these are not the correct ones as they might be not clear enough or appropriate for the audience, indication a wrong diction.