Which is the true statement about bananas and Bantu speakers?

Bananas came in two varieties: plantains, which Bantu speakers baked or made into flour, and sweet bananas, which Bantu speakers peeled and ate.

Bantu speakers discovered the African native bananas in the rainforest and domesticated them.

Bananas are native to Africa and Bantu speakers brought them to Southeast Asia by way of the Indian Ocean trade.

Bananas yielded ten times less food value per acre than yams.