With the new year coming, a new website was set up to offer ringtones   of the sounds of dozens of rare and endangered species from around the globe.  The Center for Biological Diversity started offering free wildlife ringtones for cellphones a year ago to educate people about the  _ of the animals, and the campaign enjoyed such success that the environmental group has collected more ringtones and added them to its website for this year. The group plans to release a kind of new ringtones each month, including the sounds of the African elephant and the emperor penguin of the Antarctic, said Peter Galvin, the group's conservation director. "We've hit the 100,000th download in over 150 countries," Galvin said Wednesday in a telephone interview. "It's pretty interesting. We didn't realize how much of an international hit it would become." The response, he said, reinforces   the worldwide movement to save endangered and rare species. Available ringtones include the howl of an endangered Mexican gray wolf, the bellows of an Arctic beluga whale and the calls of dozens of other mammals, birds and reptiles. Website visitors can also get cellphone wallpaper and facts for each of the species. And later this year, the website will be available in Spanish and more ringtones from species in Latin America will be added, Galvin said. The new ringtones mentioned in the passage are used to   _  .
raise people' s awareness of wildlife protection develop a new website add fun to the new year develop the cellphone industry
Question: With the new year coming, a new website was set up to offer ringtones   of the sounds of dozens of rare and endangered species from around the globe.  The Center for Biological Diversity started offering free wildlife ringtones for cellphones a year ago to educate people about the  _ of the animals, and the campaign enjoyed such success that the environmental group has collected more ringtones and added them to its website for this year. The group plans to release a kind of new ringtones each month, including the sounds of the African elephant and the emperor penguin of the Antarctic, said Peter Galvin, the group's conservation director. "We've hit the 100,000th download in over 150 countries," Galvin said Wednesday in a telephone interview. "It's pretty interesting. We didn't realize how much of an international hit it would become." The response, he said, reinforces   the worldwide movement to save endangered and rare species. Available ringtones include the howl of an endangered Mexican gray wolf, the bellows of an Arctic beluga whale and the calls of dozens of other mammals, birds and reptiles. Website visitors can also get cellphone wallpaper and facts for each of the species. And later this year, the website will be available in Spanish and more ringtones from species in Latin America will be added, Galvin said. The new ringtones mentioned in the passage are used to   _  .
A. raise people' s awareness of wildlife protection
B. develop a new website
C. add fun to the new year
D. develop the cellphone industry
Answer: