Final answer:
Option c) 'Whitney's sales were abysmal last quarter' provides the best example of the use of specific words.
Step-by-step explanation:
The sentence that provides the best example of the use of specific words is option c) Whitney's sales were abysmal last quarter.
Option c) uses the specific word 'abysmal' to convey the extent of Whitney's poor sales performance. This word is more precise and impactful compared to the other options.
Specific words like 'abysmal' create a stronger visual image and effectively communicate the intended meaning.