The choice that represents the sample space S for the given event is; Option C: S = {AB, AC, BC}
We are told Carla can choose two of her three pairs of sneakers to take to a track meet.
Now, the pairs of the sneakers are called A, B and C.
Thus, the possible combinations are;
AB, AC, BC.
In conclusion, the choice of possible sample space is; S = {AB, AC, BC}
Read more about Sample Space at; https://brainly.com/question/3119162