Harper had always been a curious child, wanting to know how things operated and what made them run. While watching her father install new light fixtures, she marveled at the intricacies of how electricity worked. She asked her father multiple questions to satisfy her curiosity. Harper's mother had warned her husband against answering every question as it would slow the installation process. "You're opening Pandora's box," she said. Which of the following is the allusion?

A. Electricity

B. Pandora’s box

C. Harper

D. Light fixtures