When you went to sleep, the temperature was −2.8°C.
When you woke up, the temperature was 1.4°C.
Which expression and statement describes the situation?
A. 1.4<-2.8,so 1.4°C is cooler than −2.8°C.
B. -2.8>1.4,so −2.8°C is warmer than 1.4°C.
C. 1.4=1/2(-2.8),so 1.4°C is half as cold as −2.8°C
D. 1.4>-2.8,so 1.4°C is warmer than −2.8°C