The histogram shows the number of cars in a hospital parking garage at 10 a. m. each day for three weeks. Which statement is true based on the data in the histogram?

A: The median number of cars is contained in the 140-149 bar.
B: There were between 150-159 cars on 7 days.
C: The range in the number of cars is 3 cars.
D: On 5 days, there were between 130-139 cars.