There Is Observational Evidence That Supports the Theoretical Conditions of the Universe

Multiple Choice

There is observational evidence that supports the theoretical conditions of the universe. Thefarthest back in the history of the universe this evidence goes is:

A) the moment of the Big Bang.
B) the end of the Planck epoch.
C) the beginning of GUT.
D) the end of the Radiation Era.
E) the Recombination Epoch.