How does Caliban show that he is more intelligent than Stephano and Trinculo?

A.
He believes Stephano and Trinculo are friends because they share wine.

B.
He realizes that freedom from Prospero is more important than clothing or wine.

C.
He tricks Stephano and Trinculo into helping him kill Prospero with magic.

D.
He was educated in a European school in Britain, but Stephano and Trinculo were not.