Which of the following statements, if true, would tend to undermine Malthus's argument? A. The rate of population increase has begun to decline in Northern Europe. but the food supply has nor diminished. B. In many nations, the increase in human population has far outstripped the food-producing capacity. C. Human population growth may be limited by the use of contraception. D. For many ethnic and religious groups, artificial control of conception is morally unacceptable.