An 18 year old woman says that she can’t walk around as she is very big for that room. What is the most likely hallucination?

The key is C. Alice in wonderland syndrome. [Alice in Wonderland Syndrome (AIWS) is a paroxysmal, hallucinatory disorder with typical visual perceptual features. With fewer than 200 reported cases in the world, the syndrome is named after Lewis Carroll's famous book because, like Alice, patients with AIWS experience changes in the perception of their body dimensions, experiencing macro or microsomatognosia — the feeling of being bigger or smaller in relation to their environment].