Members of the Adena Culture Most Probably Began to Manufacture

Members of the Adena culture most probably began to manufacture pottery because __________________.

A) they developed a more settled lifestyle, which included the slow cooking of porridges and other similar foods
B) there was a severe lack of raw material to make stone vessels
C) pottery was easier and lighter to carry than stone vessels
D) they expanded into areas where a special red clay was readily available