Final answer:
According to the FDA, a fruit-based drink labeled as 'juice' should contain at least 90 percent fruit juice.
Step-by-step explanation:
The correct answer is option D, at least 90 percent. According to specific definitions by the FDA (Food and Drug Administration), a fruit-based drink labeled as "juice" must contain at least 90 percent fruit juice to be considered juice. This means that the remaining 10 percent or less may include other ingredients such as water, preservatives, or sweeteners.
Learn more about FDA definitions for fruit-based drinks