【单选题】The main idea of the article is that kids have helped to discover some prehistoric things. Which key detail from the article supports that MAIN idea?
A.
Jackson Hepner remembers finding the mammoth tooth.
B.
It was in July 2019 while he was visiting his uncle in Ohio.
C.
He was searching for marine fossils in 2015.
D.
Mehling had never seen one like it in 30 years of fossil hunting in New Jersey.
【单选题】A main idea of the article is that Komodo dragons face many challenges. Which key detail from the article supports this MAIN idea?
A.
That would mean no one could visit Komodo Island starting next year.
B.
These changes are to protect Komodo dragons.
C.
The dragons are also stolen. They are sold overseas for medical purposes.
D.
Which section of the article gives information about what Komodo dragons look like?O'Mara said they can build tall towers. They would give tourists a safe way to see the dragons.