A、To bring some gift for her birthday. B、To join the party and be on time. C、To find the way to her place by himself. D、To push

M: I overheard you talking about shoplifting, I’m a store detective.
W: Really? Well, I’d hate to get anyone into trouble, but we did see that woman in the blue coat putting some things into her bag.
Q: Who is the person the man is talking to?

W: Care to come to my birthday on Saturday, Jim?
M: Thanks, Mary. Where do you live?
W: No.38, London Road. Just push the bell with your elbow.
M: Why with my elbow?
W: You’re not coming empty-handed, are you?
Q: What does the woman expect the man to do?