A. The narrator’s mother did the majority of the work at the construction company, while the narrator’sfather took care of the narrator.

B. The narrator’s parents traded off responsibility for taking care of the narrator and working at the construction company.

C. The narrator’s father worked at his designing board, while the narrator’s mother took the narrator along to building sites.

D. The narrator’s parents both worked at the construction company, while the narrator stayed home with a babysitter.