CORRECT!
omphaloskepsis = navel-contemplation
While such a comparison may be well within the realm of a tortured GRE English section, my wife pointed me to freerice.com, a site which has a quirky vocabulary Web-based game paired with unnoticeable advertising. For each correct answer the UN gets a few grains' rice worth of a donation.
So, they make a buck, the UN gets extra food, and you learn fun vocabulary! What isn't there to like?