Given below are four jumbled sentences. Select the option that gives their correct order.

A. In reality, however, we exist in compartments, separated by walls of caste, religion, and geography.
B. But we find that ignorance levels are growing as well because the rate at which we are accumulating information is not commensurate with the rate at which our awareness is growing.
C. Technologically we live in a borderless world.
D. Another paradox is that we take pride in describing ourselves as a knowledge-based society.