The student council at mountain view high school plans to conduct a survey to determine the student body's opinion of the new lunch menu. Which of the following sampling methods would be most likely to result in UNDERCOVERAGE bias? A. Setting up a booth in the lunchroom where students can give their thoughts

B. Obtaining an alphabetical list of all students and surveying every 10th student

C. Handing out a questionnaire to seniors only

D. Handing out a survey to the first 50 students entering the cafeteria at lunch