The Electrons in the Delocalized Molecular Orbitals of Benzene

The electrons in the delocalized molecular orbitals of benzene

A) are free to move around the six-membered ring.
B) are restricted to the space between only two carbon atoms.
C) are used to bond the hydrogens to the carbon ring.
D) only contain one electron each.
E) are responsible for bond lengths that are longer in only three bonds in the carbon ring.