Choose the One Alternative That Best Completes the Statement or Answers

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport.

-At what time was the temperature $73 ^ { \circ }$ ?

A) 10 a.m.
B) 4 p.m. and 5 p.m.
C) 5 p.m.
D) 10 a.m. and 11 a.m.