Which Statement Best Characterizes the Distribution of Charge in the Hydronium

Multiple Choice

Which statement best characterizes the distribution of charge in the hydronium ion,H₃O+?

A) The positive charge is distributed over all of the atoms in the ion.
B) The positive charge is localized only on the oxygen atom.
C) The positive charge is distributed between the three hydrogen atoms only.
D) The positive charge is localized on only one of the hydrogen atoms.