Final answer:
Leroy's and Dartanyon's friendship began as they were wrestling teammates, demonstrating the unifying nature of sports. Therefore, the correct option is C. They practiced wrestling together.
Step-by-step explanation:
The question pertains to the development of the friendship between Leroy and Dartanyon from the story "High School Teammates Carry On." The correct choice that best answers how Leroy's and Dartanyon's friendship began is option C. They practiced wrestling together.
The bond between the two young men formed as they shared both the physical space and the camaraderie of being on the same wrestling team, showcasing the power of sports in bringing individuals together and forming lasting relationships.