Answer:
C. Rex was a new pet that needed to be let outside.
Step-by-step explanation:
A: Jamie didn’t know her way around the valley.
- This is told by the narrative rather than Jamie.
B: They would get lost in the dark.
- It doesn't say they would get lost.
D: their backpacks were empty.
- It doesn't state the backpacks were empty it says what is left in their backpacks.