Yes it is a metaphor because he does not literally have a key to her heart. It is just figurative speaking.
Answer: I believe it’s 2: Kara doesn't want to pass up a fun opportunity, but if she accepts it she may spoil her grandmother's experience
Explanation: cause in the story Kara says that the play sounds really interesting but she might be late and her grandma likes to be on time
690000000000000000000000is great beleive it!
Answer:
Teacher should be obeyed by us.