Which detail from the passage provides the best clue that a theme of the story is "technology can have good effects"?

A)”The suspect had somehow entered the store, stolen the artwork and exited
without any trace or fingerprints."

B)”Marta paced, her movements matching her storm of thoughts."

"
C)”Out of the corner of her eye, she noticed the new technological device she had
been given to use, which she'd been avoiding like the plague."

D)”She had been pondering for hours, but 30 seconds with this device, and she
could find her answer!"