【单选题】

At the college level, the best preparation for management is a liberal arts education. Individuals who will guide the future of their companies must broaden and deepen their understanding of the worlD、This means covering the whole range of the liberal arts, from science to literature to mathematics to history. Today’s executives must have some grasp of economic realities and the political process, as well as some comprehension of the basic framework within which scientific and technological changes take place. They must gain an understanding of human nature, including its negative aspects, such as the sources of human conflict and the pitfalls of power.

The word pitfalls in the passage is closest in meaning to
A、benefits
B．stages
C．causes
D．hazards