Answer : The correct option is (A) Salt.
Explanation :
Solute : It is defined as a substance which is dissolved in a solvent. It is a smaller component of a solution.
Solvent : It is defined as a substance that dissolves a solute. It is a larger component of a solution.
In a salt and water solution, the solute is salt component and the solvent is water component.
Therefore, the correct answer is Salt.