In Photoelectron Spectroscopy If an Electron Is Removed from a Bonding

In photoelectron spectroscopy if an electron is removed from a bonding orbital the vibrational fine structure will exhibit a

A) higher vibrational frequency than the parent molecule.
B) lower vibrational frequency than the parent molecule.
C) and identical vibrational frequency as the parent molecule.
D) there will be no vibrational fine structure in the spectrum.