It’s not grammatically correct. It should be...
Kitty and Briana’s parents were pleased because the girls enjoyed their time at the center.
They couldn't write with letters so they drew pictures. Hardly anyone knows anything about the writings of Native american literature.
Answer:
D
Explanation:
The core of the short text is literally stated in the conclusion: "Many of our country’s organizations benefited from Carnegie’s help."
The rest of the text is to support that main idea.