As an ionic solid dissolves in water, the temperature of the solution increases. What best describes the enthalpy and entropy of the solution?

Question

A. The enthalpy change is negative, and the entropy decreases.
B. The enthalpy change is negative, and the entropy increases.
C. The enthalpy change is positive, and the entropy decreases.
D. The enthalpy change is positive, and the entropy increases.

I think the answer is B or C.