I dont understand why the answer for this question is D.? Isnt the median 22?

The ages of people in a class (to the nearest year) are as follows:



Age 18 19 20 21 22 23 24 25 32

Number of students 14 120 200 200 90 30 10 2 1



What is true about the median age?

a. It is 20.

b. It would remain unchanged if the 32-year-old were replaced with an 80-year old.

c. It is between the first and third quartile values.

d. All of the above