“When Caitlyn is with Tyler all of her problems seem to disappear. But as things get serious, she discovers Tyler's jealous side. Once she realizes her "perfect" boyfriend is as controlling as he is caring, Caitlyn is faced with a choice: she can either let this relationship define her, or find the courage to break away” (Goodreads)
Answer:
<em>D. Before, during, and after reading</em>
I would think a unit of speech is the word...word. Letters make up a word. One word is not a sentence.