Aren't you forgetting about class E?
That is labeled "controlled", too, but hopefully even the dumbest pilot
would not expect VFR traffic separation by ATC in class E.

We're talking about tower-controlled airspace here, methinks.

Are there any Class E towers?
--
Jay Honeck
Iowa City, IA
Pathfinder N56993
www.AlexisParkInn.com
"Your Aviation Destination"