A. Older adults are less likely than younger adults to omit key elements, creating discourse that is more fluent and easy to follow.
B. When retelling a story, older adults are less likely than younger adults to compress discourse and more likely to improve the cohesiveness of their narratives.
C. Older adults' speech is typically lower in volume, slower, and less fluent than younger adults' speech.
D. A higher working memory capacity of older adults compared with younger adults improves their comprehension of sentences.