Leah surveys every fifth person leaving the public library about whether they support a plan to increase town bus service. She finds that most of the people surveyed support the plan. Leah concludes that most residents of the town must support the plan. Which statement best explains whether Leah's conclusion is correct or incorrect?

A She may not be correct, because her sample is representative of the voters in the town,
B She should be correct, because her sample is representative of the voters in the town,
© She may not be correct, because her sample is not representative of the voters in the town,
D) She should be correct, because her sample is not representative of the voters in the town.