Suppose Our Null Hypothesis Is That a Population Mean Is

Suppose our null hypothesis is that a population mean is no different from 25. We calculate a 95% confidence interval, and the values range from 24 to 27. Which of the following should we conclude about the hypothesis test if we are using alpha = 0.05?

A) The null hypothesis should be rejected.
B) The null hypothesis should not be rejected.
C) The research hypothesis should be rejected.
D) It is impossible to evaluate a hypothesis with a confidence interval.