Which sentence most clearly describes diction?

A. The writer keeps using big, fancy words instead of accurate ones.

B. Learning a new language requires you to become immersed in it.

C. Samantha's tone was obvious when I spoke to her on the phone.

D. A persuasive appeal can be made in either a novel or an essay.

The writer keeps using big, fancy words instead of accurate ones.

A. The writer keeps using big, fancy words instead of accurate ones.

Explanation:

The definition of diction is: "the choice and use of words and phrases in speech or writing."

It is also is the way a person articulates and pronounces the words of a language. In writing, diction is represented by choice of words, which fits option A.