This question is followed by four possible answers. The alternatives other than the correct answer also seem to have a relationship with the item mentioned in the statement. You are required to select the absolute truth which always holds or verifies the truth of the statement: "A river always has_______________"

Banks

"A river always has Banks".

A river always has banks, which are the sides or edges of the river that confine the flowing water. While rivers often have deltas (where the river meets a body of water and deposits sediment), tributaries (smaller streams or rivers that flow into a larger river), and fishes (aquatic animals living in the river), the presence of banks is a fundamental characteristic that defines a river.