C. "During the construction of the amphitheater some formwork was accidentally moved before the concrete in the vault had completely set, killing twenty-five slaves, their foreman, and a senator observing the work from the ground." D. "Stables and storerooms around the central courtyard were also rented out."
It’s a complete sentence.
Answer:
A) harmful
Explanation:
Detrimental means obviously harmful, damaging.
I think there just saying to write a word problem and show how you would solve it. Hope this helps :D