How does the upper-upper class differ from the lower-upper class?

A.Unlike upper-upper class, those in the lower-upper class have been wealthy for generations.
B.Unlike upper-upper class, those in the lower-upper class have little chance for advancement.
C.Unlike upper-upper class, those in the lower-upper class have worked for their income rather than inherited it.
D. Unlike upper-upper class, those in the lower-upper class shape the economic and political climate through a
variety of mechanisms.
E. Unlike upper-upper class, those in the lower-upper class have less autonomy and freedom from supervision.