Question

domestic means : relating to or characteristic of the profession of law relating to the study or practice of medicine of or relating to the home falling or striking of light rays on something

Explanation:

The word "domestic" commonly refers to things related to the home. It has no connection with law - which is about legal systems and regulations; no relation to medicine - which is about healthcare; and is not related to the concept of light rays striking something (which is more related to physics concepts like reflection or incidence).

Answer:

C. of or relating to the home