Paragraph 4 suggests which of the following about the survival of peppered moths? A. Light forms of the moth are more likely to survive in polluted rather than unpolluted areas. B. Birds are more likely to determine the survival rates of moths in rural rather than industrial areas. C. Environment determines whether dark or light forms of the moth survive. D. The presence of lichen on tree trunks encourages birds to prey on both dark and light forms of the moth with the same frequency.