问题详情

According to the text, the ivory-billed woodpecker ______.
A．is extinct since the year of 1994.
B．was found by a group of 17 researchers through the internet.
C．is called "Grail Bird" because it is hallowed to the degree of holiness.
D．is so famous that it has become a symbol of the spoiled relationship between human beings and nature.请帮忙给出正确答案和分析，谢谢！