The correct answer is B) Sympathetic towards Dr. Clark's claims.
In terms of his point of view, Professor Hall is sympathetic towards Dr. Clark's claims.
Professor Hall agrees with Dr-Clark's claims on the importance of the body to be hydrated. The human body is 85% water and needs to hydrated most of the time. The problem is that most humans just drink water when they are thirsty, and they drink soda pop, beer or other liquids. The human body needs freshwater or natural fruit water. No add flavor. Being thirsty or not, the body needs to maintain proper hydration to prevent many health issues.