What Is the Entropy Change When 4 Kg of Water $\circ$

Multiple Choice

What is the entropy change when 4 kg of water at 0 ^$\circ$ C is frozen into 4 kg of ice at 0 ^$\circ$ C?

A) 4.9 kJ/K
B) an infinite change
C) -4.9 kJ/K
D) 1340 kJ/K
E) -33 kJ/K