A national survey of 2500 adult citizens of a nation found that 21% dreaded Valentine's Day. The margin of error for the survey was 3.6 percentage points with 90% confidence. Explain what this means. Which statement below is the best explanation? O A. In 90% of samples of adult citizens of the nation, the proportion that dreaded Valentine's Day is between 0.174 and 0.246. O B. There is 90% confidence that 21% of the adult citizens of the nation dreaded Valentine's Day. O C. There is 86.4% to 93.6% confidence that 21% of the adult citizens of the nation dreaded Valentine's Day. O D. There is 90% confidence that the proportion of the adult citizens of the nation that dreaded Valentine's Day is between 0.174 and 0.246