A Poll with a Margin of Error of Plus or Minus

A poll with a margin of error of plus or minus 3 percentage points and a confidence level of 95 percent asked 1,000 voters in Maine whether they considered themselves Republican, Democrat, or independent. If 48 percent of respondents indicated that they considered themselves independent, what is the percentage of independents among voters in Maine?

A) between 45 and 51 percent, 95 percent of the time
B) either 45 or 51 percent, 95 percent of time
C) 48 percent, between 92 and 98 percent of the time
D) 45, 48, or 51 percent, 95 percent of the time