What Does a ".05 Level of Significance" Mean

Multiple Choice

What does a ".05 level of significance" mean?

A) A result is considered significant if it would occur 5 (or fewer) times out of 100 when the null hypothesis is true.
B) There is a 5% chance that the null hypothesis is true.
C) There is a 5% chance of proving your results.
D) There is a 5% chance of making a Type II error.