Respuesta :
Part A: The sentence a flashback would be as follows:
B). "The last time...world."
The impact of flashback:
B). It uncovers the superpowers of each character.
Flashback
Flashback is designated as the technique by which the author offers detail about the past event so that the readers are able to comprehend it more precisely and clearly.
In the given excerpt, the flashback is employed to educate or aware the audience about the past event when Trace along with his friends uses their extraordinary skills to develop the toxin and overtake the world.
Thus, option B is apt for both parts.
Learn more about "Flashback" here:
brainly.com/question/16645020
Answer:
"The last time he and Trace had met, Trace and his friends had thwarted Casper's plot to create a deadly toxin designed to help him take over the world."
"It gives readers insight into who Casper is and how the group knows him."
Explanation:
