A 95% Confidence Interval Was Computed Around a Sample Mean

Multiple Choice

A 95% confidence interval was computed around a sample mean of 10.The resulting confidence interval is (5,11) .Does this appear to be a valid confidence interval?

A) Yes,the confidence interval includes the sample mean.
B) Yes,the confidence interval is small enough to be a 95% confidence interval.
C) No,the confidence interval should be symmetric around the sample mean.
D) No,the confidence interval cannot contain the sample mean.