A Somewhat Controversial Aspect of Thomas Kuhn's Picture of Science

A somewhat controversial aspect of Thomas Kuhn's picture of science is the idea:

A) that science is influenced by natural and social forces.
B) that there are times in the history of science when science fails to move at all.
C) that science can undergo radical change in short periods of time resulting in "revolutions" of thought.
D) that science always evolves in a slow, rational and progressive manner .