The Line Graph Shows the Recorded Hourly Temperatures in Degrees

Multiple Choice

The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport.
-During which hours was the temperature increasing?

A) 9 a.m. to 1 p.m.
B) 1 p.m. to 4 p.m. and 5 p.m. to 6 p.m.
C) 9 a.m. to 11 a.m. and 12 p.m. to 1 p.m.
D) 1 p.m. to 6 p.m.