Anti-Malthusians believe that Thomas Malthus could not have envisioned the many modern developments that impact population demographics. What is it that the anti-Malthusians worry about?

A. Populations will begin to decline.
B. Populations in the industrial world will grow faster and faster.
C. Populations will spiral out of control, far outstripping the supply of food.
D. Populations in the less industrialized world will continue to grow quickly.