听力原文:M: Alice, do you want to go shopping with me today? W: Sure, but I can't leave yet. I've lost my room key and I have to wait for the security guard to let me back into my room? Q: What is Alice problem? (13) A.She's locked out of her room. B.She lost her key in the shop. C.She left her key in the room. D.She won't go shopping without a security guard.