Final answer:
The statement 'the moon arched its back in the car's window' is a metaphor representing how the moon looked curved in the night sky as seen through the car's window.
Step-by-step explanation:
When the author says, "the moon arched its back in the car's window," this is a metaphorical expression describing how the appearance of the moon seemed to change shape or position as observed through the car's window. This line of description is evocative and helps to paint a vivid picture in the reader's mind.
The correct option that corresponds to the moon's appearance is 'a. the moon was curved in the night sky'. This is a literary device used to create imagery and is not meant to be interpreted literally.
The statement 'the moon arched its back in the car's window' is a metaphor representing how the moon looked curved in the night sky as seen through the car's window.