Which One of the Statements Below Is False Concerning the Following

Which one of the statements below is false concerning the following reaction: NH₃(g) + H₂O $( \ell )$ $\rightleftharpoons$ NH₄⁺(aq) + OH?(aq)

A) The double arrows indicate that ammonia, NH₃, is only very slightly soluble in water.
B) The reaction is reversible.
C) When NH₃ is added to H₂O, NH₄⁺ and OH? ions are produced in a 1:1 ratio.
D) When solutions of NH₄⁺ and OH^- are mixed, some ammonia is produced.
E) Ammonia partially reacts with water.