Which statement is always true of a weak base in water?

• A. A $1.0M$ solution of it must have $pH>12$.
• B. It has a $K{b}_{}$ value greater than $1$.
• C. It only partially reacts with water to form its conjugate acid and $O^H$.
• D. It completely dissociates in water to produce $O^H$ ions.

Answer: (C)