The temperature rises 15 degrees Fahrenheit (゚F) and then drops by 8゚F. If the temperature started at -11゚F, what temperature change would be required to bring the temperature to 0゚F?

A) an Incase of 4゚F
B) a decreased of 4゚F
C) a decreased of 19゚F
D) an increase of 19゚F