Well, I would say that C) on the other hand is the correct answer. It is generally used to denote a basic contrast in any paragraph.
All in white because it is describing something if it is an adjective
Old taxi is the second one because it is describing the taxi old
I would say the answer is true
Chaos Theory is a delicious contradiction - a science of predicting the behaviour of “inherently unpredictable” systems. It is a mathematical toolkit that allows us to extract beautifully ordered structures from a sea of chaos - a window into the complex workings of such diverse natural systems as the beating of the human heart and the trajectories of asteroids.