If a Test of Hypothesis Has a Type I Error $\alpha$

Multiple Choice

If a test of hypothesis has a Type I error probability ( $\alpha$ ) of 0.01, it means that

A) if the null hypothesis is true, you don't reject it 1% of the time.
B) if the null hypothesis is true, you reject it 1% of the time.
C) if the null hypothesis is false, you don't reject it 1% of the time.
D) if the null hypothesis is false, you reject it 1% of the time.