问题详情

What can be inferred from paragraph 1？
A．Coral first evolved more than 500,000 years ago.
B．Scientists are only interested in things both ancient and large.
C．Coral is a type of colorful rock that attracts fish.
D．No type of coral ever builds a colony more than a meter hig请帮忙给出正确答案和分析，谢谢！