C. The author uses a simile to compare the feeling of nervousness to melting because the sentence uses the word "like," which is an underlying hint to similes. Without it, it would be a metaphor.
A simile is used to compare her voice to a "cool, dark room in summer- peaceful, soothing, quiet". This helps let readers know that she is most likely very nurturing, caring, and a definite "motherly figure"
I saw my friend henry walking to the store last Friday night. It was a rainy stormy night. Lighting stretching across the sky like a cat before it lies on its bed. All I heard was a "BOOM" and the next thing I saw was the store catch on fire. I ran at the speed of a cheetah into the building to see if anyone was inside. I found the store owner and dragged him out of the burning store like a drag of a baseball field. I was thanked and appreciated. The next morning I woke up and saw the headlines of the newspaper stating "Local hero saves Shop Owner."