The correct answer is C. Normans
Step-by-step explanation:
The Normans were an ethnic group that originated in Normandy, France and as a result of the interaction between different groups. In term of English language, the Normans played an important role as they did not remain in France but began influencing other territories such as Denmark, Norway, and Iceland through raids and in 1006 they arrived in England and invaded the territory, which allowed Normans to infused Old English language by introducing French words and even nowadays the influence of the Normans in language remains. Therefore, Old English was infused with French words by the Normans.