Ans.
Water plays an important in regulation of body temperature and joint lubrication. Many sports and excessive exercise can result in dehydration (deficiency of water in the body) due to sweating.
As given, student is sweating a lot that me leads to severe dehydration. To maintain the water balance of that student, she should consume water or other fluids, such as sports drink, clear broths, and fruit juice.
Thus, the correct answer is option (D).
