A Study Has a Power Level of 0

A study has a power level of 0.75. What does that mean?

A) Study interventions will be statistically significant 75% of the time.
B) The study has a 75% chance of detecting differences if they exist.
C) The study's sample has a 25% attrition rate, at worst.
D) There is a 25% chance of detecting a Type I error.
E) There is a 25% chance that the study will fail to reveal differences that actually exist.