Given the question: Read the article and select the best answer. Article: The Goldman Environmental Foundation recently recognized a group of individuals for their efforts to protect the environment. Each year, the American-based group honors environmental activists from six different areas. The first three winners of the 2012 Goldman Prize are from Kenya, the Philippines and China. The Goldman Environmental Foundation says Ikal Angelei is a hero to those who live around Lake Turkana. The Kenyan woman received the award because of her efforts to stop a dam project on a river in Ethiopia. Critics say the dam will harm the lake and restrict the flow of water for people who live nearby. The Philippine island of Mindoro is home to those who depend on the area's natural resources for food and jobs. Edwin Gariguez became concerned when a European company announced plans to mine for nickel on the island. The Roman Catholic minister said waste materials from the mining project would pollute the water and destroy the forests. So he started a campaign to stop the project. In China, Ma June is working with businesses to clean up their pollution. He formed a group that collects information about pollution, and publishes it on the Internet. The Goldman Prize was also awarded to activists from Argentina, Russia and the United States. Sofia Gatica of Argentina is from a town where farmers commonly use pesticide products to protect soybean crops from insects. The town also has a high rate of cancer. Miz Gatica believed that pesticide use was responsible for the death of her baby. She worked with other mothers to get government officials to ban the use of chemicals near populated areas. Evgenia Chirikova objects to the plans to build a road through a protected forest just outside Moscow. She has demanded that Russian officials redirect the road away from the forest. She and her followers have been arrested for their activities. However, their campaign has gained widespread public support. The sixth winner is American Caroline Cannon -- a community leader in Point Hope, Alaska. Miz... Question: We can know from the passage that _ . Options: A: the dam project has been prevented B: the first three activists are all from Asia C: a European company is going to dig for nickel D: Ma June is trying to stop oil and gas exploration
The answer is:
C