<span>Listen for a summary.
</span><span>Ask questions whenever possible
</span><span>take notes on key information.
Listen for key words and phrases.
Watch the speaker for clues to important information.
Compare new information with what is known. </span>
I think that the answer is D because it's the only right sounding answer.
The first musical instrument used by prehistoric men and women to re-create sounds of nature is the human voice.
