For a group of given data, the relationship between 95% CI and 99% CI is that

A、99% CI is narrower than 95% CI.;
B、95% CI is narrower than 99% CI.;
C、95% CI is equal to 99% CI.;
D、95% CI is always 1.96 times narrower than 99% CI.;
E、99% CI is always 1.96 times narrower than 95% CI.