The correct answer is A. Neice. The correct spelling is niece.

  • Neice is a misspelling of the word niece. A niece is a daughter of one's brother or sister.
  • Neither is an adverb that means "not either."
  • Neigh is the sound that a horse makes.
  • Rein is a noun that means a strap or band used to control a horse or other animal.