What Purpose Does the Predetermined Level of Significance P-Level Serve

Multiple Choice

What purpose does the predetermined level of significance p-level serve?

A) It sets a minimum standard for the strength of an intervention.
B) It sets a minimum standard for how much risk of being wrong the researcher wants to take on if s/he concludes that there is no difference or association.
C) It sets a minimum standard for how much risk of being wrong the researcher wants to take on if s/he concludes that there is a difference or an association.
D) It sets a minimum standard for the reliability of the measuring instruments.