问题详情

What can you learn from the passage？
A．The soil and the deep sea belong to communities that haven"t been fully explored.
B．It is surprising news wherever new species are discovered in the deep sea.
C．About 90 million species are believed to live in the deep sea.
D．A million species in the deep sea have been discovered and named.请帮忙给出正确答案和分析，谢谢！