Answer :
Answer:
A. Until recently, the Inuit people led a nomadic existence, sheltering
Explanation:
According to my research on grammatically correct sentences, I can say that based on the information provided within the question the correct version would be "Until recently, the Inuit people led a nomadic existence, sheltering". None of the other sentences are grammatically correct either alone or when combined with the next section of the statement.
I hope this answered your question. If you have any more questions feel free to ask away at Brainly.