Which of the sentences below best expresses the essential information in the highlighted sentence in the passage? Incorrect choices change the meaning in important ways or leave out essential information. A. Peppered moth populations gradually increased in size, with dark-colored moths increasing their numbers fastest in the industrialized areas of Germany and England. B. Over a period of decades, dark-colored peppered moths came to certain areas of the Ruhr Valley and the Midlands and became the dominant forms there. C. In Germany and England, dark-colored peppered moths forced most light-colored moths out of their territories. D. While they also increased elsewhere, dark-colored peppered moths gradually became the dominant form in areas of extreme industrialization.