Paragraph 3 supports which of the following claims about the interpretation of temperature records? A. The climate may not be warming as much as the increase of temperatures recorded in cities appears to suggest. B. Records show that the increase in urban heat islands has had a significant warming effect on the global climate. C. During most of the past century, temperature records have been misinterpreted. D. Scientists will not be able to account for climate change over the past century until they learn more about the urban heat island.