How might the "Cargotecture" phenomenon and the "maglev" techology be called trends with opposing tendencies?
A) Cargotecture is slow; Maglev trains are fast.
B) Cargotecture is cheap; maglev technology is expensive.
C) Cargotecture is rare; maglev technology is present in abundance.
D) Cargotecture is heavily criticized; magleve techology is widely praised.