The statement that is true is: D. Randomly selected students were used.
Survey can be defined as the data or information that a researcher or research analyst collected from a population so as to reach or draw a conclusion.
Based on the scenario the student were randomly selected which means that the randomly selected students were used to conduct the survey.
Therefore the correct option is D.
Learn more about survey here:https://brainly.com/question/25257437
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