I think it is B. i apologize if i am wrong! it uses correct grammar when listing things!
The answer is c. The number of different times zones in the United States
Answer:
piece of bread or slice of bread
A. Antecedent would be the best answer.
A thing or event that existed before or logically precedes another.
Antecedent Example: The athlete extended a hand to his opponent.
Pronoun: His
Antecedent: Athlete
