In a recent poll of 1,500 randomly selected eligible voters, only 525 (35 percent) said that they did not vote in the last election. However, a vote count showed that 80 percent of eligible voters actually did not vote in the last election. Which of the following types of bias is most likely to have occurred in the poll?(A) Nonresponse bias (B) Sampling bias (C) Selection bias (D) Responbias (E) Undercovèrage bias