The Key Finding of Libet Et Al

The key finding of Libet et al. (1983) on consciousness and intention was that:

A) Participants were unaware of their conscious intentions
B) No readiness potentials were detected in the brain
C) Readiness potentials in the brain occurred before conscious awareness of an intention
D) Readiness potentials in the brain occurred during conscious awareness of an intention
E) Readiness potentials in the brain occurred after conscious awareness of an intention