Dory, Gwen, and Tia ran a race. Dory finished in second place. Which set of names shows the possible outcomes for the finish of the race?

Answer: A
It is stated that Dory finished in second place. This would mean that the first and third place could be anyone between Gwen and Tia.
The possible outcomes would then be:
1. Gwen
2. Dory
3. Tia
and:
1. Tia
2. Dory
3. Gwen
Therefore, the answer would be A.