The correct option is C {1,2,3,4,5}
Sample Space:–––––––––––––––––––
Sample space of an experiment is the set of all possible outcomes or results of that experiment.
When David spins the spinner it can stop at any number 1, 2, 3, 4 and 5. Hence, the possible outcomes are 1, 2, 3, 4 and 5 only.
∴ Option (c.) is the correct answer.