Answer:
They figured out from the internet cartouchs were
C and D i know because my dad owns a Business
The answer would be D. "I made just one request for the camping trip: I wanted to stay in a cabin instead of a tent."
Generally colons are used after phrases that are complete sentences. "I made just one request for the camping trip" is a complete sentence, and should therefore have a colon after it.
He was the curiousest man about always betting on anything that turned up :)