The correct answer should be C. To provide relevant background information
Flashbacks are usually used to show us some part of the characters' lives that is important for understanding the present time.
1-It's all capitalized
2-There's no punctuation (?.!)
3-"STEELING"
The answer is ...... swimmer is a gerund describing the speaker
I think this is right
Early networks were created for special purposes, and airlines also, the U.S. Department of Defense used it.