JEE Main Chemistry question

The phenomenon of interaction of anions and cations furnished by an electrolyte with the H⁺ and OH⁻ ions of water to produce acidic or alkalinity is known as hydrolysis. In hydrolysis:

• (A)The pH may either increase or decrease
• (B)All the salts (except those made up with strong acid and base) undergo hydrolysis
• (C)The variation of pH depends upon the nature of salts as well as on the temperature
• (D)All of the aboveCorrect