A. Upon
B. At
C. Over
D. None of these
🧠 Explanation:
In the sentence “The Romans triumphed __ the Greeks,” the preposition “over” fits best, indicating victory or dominance. For English learners or writers, understanding prepositions ensures clear communication. This grammar rule is vital for constructing accurate sentences, making it a key topic for improving language skills in academic writing, storytelling, or professional communication, especially when describing historical events or relationships.
