Advanced Placement (AP) English Literature Practice Exam

The choice that states "it reflects the author's choice of words" accurately describes the nature of diction in literature. Diction refers to the specific word choices that an author makes in their writing, which can significantly affect the tone, style, and meaning of a text. Diction encompasses the vocabulary, syntax, and level of formality used, as well as the connotations of words, which helps to convey the author's intended message and emotional nuances.

In contrast, the other options do not encapsulate the full spectrum of what diction entails. While complexity can be a feature of diction, it is not a requirement. Additionally, diction is relevant across all forms of literature, not just poetry, and while it can influence emotional tone, it is broader than just denoting that element. Thus, the line that accurately captures the essence of "diction" aligns seamlessly with the definition and significance of an author's word choice.