The Megalithic culture (500 BC-100 A4⃣ brings us to the historical period in South India, The Megaliths used?

A) Weapons made of stone B) Tools and inplements made of stone C) Graves encircled by big pieces of stones D) brings us to the historical period in South India, The Megaliths used? 1⃣ Weapons made of stone 2⃣ Tools and inplements made of stone 3⃣ Graves encircled by big pieces of stones