Mas Is a Sprinter and Del Is Marathon Runner

Mas is a sprinter and Del is marathon runner.Which outcome is most likely?

A) Both will show accelerated decline by their late 20s.
B) Mas will be more likely to remain an effective sprinter as she ages compared to Del's ability as a marathon runner.
C) Del will be more likely to remain an effective marathon runner as she ages compared to Mas's ability as a sprinter.
D) Both will show stamina in their sports into their late 60s.