Question

Which sentence uses the colon correctly?

Answer 1

Its C

This is the answer. Welcome:)

Answer 2

The sentence that uses the colon correctly is number 3, "He wanted one thing from his family: reconciliation.

Whenever you use a colon, you want to make sure that you have a complete sentence before the colon. "He wanted one thing from his family," would be a complete sentence on its own. The one thing is reconciliation, which is why it goes after the colon.