Match the Alternative Medium or Process with Its Definition

Match the alternative medium or process with its definition:
-action paintings

A) artworks that track the movements and gestures the artist makes during their production
B) artworks that transform the surrounding space in order to become environmental artworks
C) an art action or event that incorporates elements of music, dance, poetry, video, and multimedia technology
D) a general tendency, as well as an art movement originating in the 1960s, that emphasizes the ideas behind an artwork over any material production to represent those ideas
E) impromptu art actions, initiated and planned by an artist, the outcome of which is not known in advance