People streams usually have a relation to whatever is going on in their life at the moment
A low pitch sound example would be like a crocodile. They can produce sound so low for the human ear to hear. Thunder can also produce exceptionally low pitched sounds that are felt much as they are heard.
The correct answer is C. He leads a group of men in grand and dangerous adventures.
An archetype is a character that appears in literatures all over the world - every nation has a character that might fit into this description. It is a common character that is known to everyone - a hero who takes his people on grand adventures.
Odysseus is one of such characters, but so is Beowulf, and even Harry Potter, in modern literature.