Final answer:
The correct answer is B. Hallucination, which is a sensory and perceptual experience without an actual stimulus and is often related to schizophrenia or the use of hallucinogenic drugs.
Step-by-step explanation:
A person suffering from a hallucination will have a sensory and perceptual experience in the absence of any real stimulus in their environment. The correct answer to the student's question is B. Hallucination. This phenomenon is often associated with mental health conditions such as schizophrenia, where individuals may experience vivid and sometimes disturbing sensory experiences without external stimuli. These hallucinations can include auditory, visual, olfactory (smell), gustatory (taste), and tactile (touch) experiences. Hallucinogen drugs can also induce hallucinations by profoundly altering sensory and perceptual experiences.