Answer:
1. The type of river is a dark colored river. It is flowing from inside a cave that is also dark.
2. The river bank is stony, which means it is full of rocks.
3. The old man humming, is an old person who is singing a song without using words, but emitting sounds that resemble the rhythm and harmony of the music.
Step-by-step explanation:
These questions can be answered through a simple interpretation of the text presented before them, and the text disrupts all answers. This type of question is important to stimulate the understanding of simple and direct texts.