Dafeng weather forecast, timely and accurately release the weather information of the Central Meteorological Observatory. The picture below shows the weather forecast of Dafeng area released by China

Dafeng weather forecast, timely and accurately release the weather information of the Central Meteorological Observatory. The picture below shows the weather forecast of Dafeng area released by China Meteorological Bureau on a certain day. As can be seen from the figure, the lowest temperature in Dafeng area is -4℃, the highest temperature is 4℃, and the temperature difference between the highest and lowest temperatures on that day is 4℃-(-4℃) = 8℃.

So choose D.