Respuesta :

Answer:

The answer is D: All of the above.  

Explanation:

In A, you are comparing the different people running.  In B, you are comparing 1980's and 1880's.  In C, you are comparing the first and the last Harry Potter Books.  Hope I helped!

P.S. Could you make me brainliest answer please?  Need it to rank up.  Thanks and have a good day!