Answer:
Metaphor. There's no "like" or "as" for it to be a simile anyways, I think.
C or the third choice.
Hope this helps.
Upon his return home, Gulliver was sickened by the sight, touch, and smell of his family.
Because of his feelings towards his family, Gulliver distanced himself from them. He instead spent his time with the horses, trying to recreate the feeling he had when he was still in Houyhnhnmland.
