Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

The level of significance of a hypothesis test is best used to:
Option A:calculate the test statistic.
Option B:define the test’s rejection points.
Option C:specify the probability of a Type II error.

Answer: B