Answer: Given the scenario, the person has been in cold water for an extended period, and their symptoms include silence and a distant stare. These are signs of hypothermia, a condition that occurs when your body loses heat faster than it can produce heat, causing a dangerously low body temperature. So, the correct answer is a) Hypothermic. It’s crucial to get them to a warm place and seek medical attention immediately. Please note that this advice is based on the information provided and may not be accurate for all situations. Always seek professional medical advice in emergencies.