In literature, symbolism refers to the use of symbols to represent ideas by attaching to them meanings, which are quite different from their literal meanings. There are different types of symbolism, examples are figures of speech, the words or action of a character, event that possess a deep meaning when view from the context of a story, etc. Lamb as a symbol stands for gentleness, purity and innocence.
The section of the passage most clearly foreshadows that Sasha will run out of gas is C. <span>"Yeah, sure. Just remember the gas gauge doesn't work, so you'll have to keep track in your head."</span>