Answer: D) Firefighter : hose.
Step-by-step explanation: an analogy is a comparison between one thing and another, usually with the purpose of explanation or clarification, this comparison is based on one similarity or difference between specific features of two things. In the given pair of words "plumber : wrench" the relation is that the second word is a tool used in the profession represented in the first word (plumbers use wrenches), the pair that has the same relation, is the corresponding to option D: "firefighter : hose" because firefighters use hoses.