The correct answer is A. Form of hallucinatory experience
Step-by-step explanation:
The term "formication" refers to a type of tactile hallucination (apparent perception), in which the individual feels tingling similar to the one experienced when insects walk over the skin, due to this, patients experiencing formication might believe there are real insects on or even under their skin. Formication is more likely to occur in certain medical conditions such as skin cancer or when the person has consumed drugs such as cocaine. Thus, formication is a term for "form of hallucinatory experience".