To answer this question, you need to understand the different phobias and their definitions.
Option A) Xenophobia - This option is incorrect because xenophobia refers to a fear or hatred of strangers or foreigners.
Option B) Hydrophobia - This option is correct. Hydrophobia is the fear of water. It is derived from the Greek words "hydro" meaning water and "phobia" meaning fear.
Option C) Claustrophobia - This option is incorrect. Claustrophobia is the fear of confined spaces, not water.
Option D) Mysophobia - This option is incorrect. Mysophobia is the fear of germs or dirt, not water.
The correct answer is B) Hydrophobia. This option is correct because it accurately describes the fear of water.