In fact, (5) medical experts suggested that adults should have been drinking between 12 and 18 cups

Question

of water per day based on weight, climate, and exertion levels.
NO CHANGE
B medical experts suggest that adults should drink
C medical experts suggest that adults should have drunk
D medical experts suggested that adults should drink

Answer 1

The best choice for clarity and tense consistency in the sentence is:

B medical experts suggest that adults should drink

So the complete sentence would read: "In fact, medical experts suggest that adults should drink between 12 and 18 cups of water per day based on weight, climate, and exertion levels."

This choice maintains present tense, which aligns well with the ongoing advice provided by medical experts.