Answer :

In "Atalanta, the Fleet-Footed Huntress," why does Atalanta slow her steps at the end of the race and let Hippomenes win?
      A. She wants to surprise him. 
      B. She is mocking him.  
      C. She loves him.
       D. She is weaker than him.
   
The answer is C.

The answer is B. Atalanta is falling in love with Hippomenes

Hope I helped!!! :)