A hypothesis test for a normally-distributed population at a 0.0

A hypothesis test for a normally-distributed population at a 0.05 significance level implies a: 

A.

95% probability of rejecting a true null hypothesis

B.

95% probability of a Type I error for a two-tailed test

C.

5% critical value rejection region in a tail of the distribution for a one-tailed test

正确答案是C