Last Monday the temperature at 3 AM and North Dakota town was -27°C. At 3 PM the temperature was -18°.C which of the following is true about the temperature change between 3 AM and 3 PM

A. The temperature rose by 45°.C
B. Temperature rose by -45°C
C. The temperatures rose by -9°C
D. The temperature rose by 9°.C

C. The temperatures rose by 9°C.