A Student Organization at a Local College Posted a Poll

A student organization at a local college posted a poll on its website. After a semester, the results were tallied, and it was found that 95% of the respondents were in favor of raising fees to increase funding for student organizations. This conclusion was based on data collected from 5000 votes cast on the website. Based on the IP addresses of the respondents, it was later determined that 3200 of the votes were cast from a single off-campus computer belonging to a member of the student organization that posted the poll. What is the best description of the results of this poll?

A) They are reliable since there were still 1800 other randomly obtained respondents.
B) They are biased, but only slightly since the sample size was quite large.
C) They are biased, understating the popularity of raising fees.
D) They are biased, overstating the popularity of raising fees.