If a Research Reports "The Margin of Sampling Error Is $\pm$

If a research reports "The margin of sampling error is $\pm$ 8 points at the 95% confidence level", this means that ______.

A) they are 95% confident that their exact point estimate is correct
B) they are 95% confident that the true population parameter is included in the intervals of $\pm$ 8 points
C) they are 95% confident that the true population parameter is included in the intervals of $\pm$ 4 points
D) they are 95% they are correct