Kasima is assigning training partners for the members of her track team. What is the BEST way for her to pair partners to MOST effectively help her runners succeed?

A. • Partners should be of very different ability levels.
B. • Partners should be of similar weight and height.
C. • Partners should be of similar ability levels.
D. • Partners should be from very different backgrounds.

C. • Partners should be of similar ability levels.

Pairing partners of similar ability levels will allow the track team members to train at a similar pace and push each other to improve. It will help create a competitive and supportive environment where they can challenge each other and work towards their goals together.