What Best Describes What Happens When an Acid Such as HCl

Multiple Choice

What best describes what happens when an acid such as HCl is mixed with water?

A) The proton chemically bonded to the chlorine is transferred to a water molecule and forms a chloride ion and a hydronium ion.
B) A proton from the chlorine nucleus is ejected and captured by a water molecule to form a negatively charged HCl and a new hydronium ion.
C) A hydroxide ion from the water is transferred to the HCl molecule to form a proton and hydronium ion.
D) HCl is not an acid.
E) none of the above