A. 7 days

B. 13 days

C. 18 days

D. 30 days

Details About the Longest a person went without water:

Humans often cannot survive without water for longer than three days before experiencing severe health problems, including death. However, in one instance, a man by the name of Andreas Mihavecz was mistakenly taken to jail and left there by the police; he was left without food or drink for eighteen days before he was discovered. After challenging the government, he was awarded 18,000 euros in 1979.