A)To serve as her tour guide.
B)To serve as her bodyguard.
C)To serve as her driver.
D)To serve as her porter.
原文：
W: It is exciting just to think about it! It'll be my first trip to Hawaii. But I may have trouble finding my way around there when I'm there.
M: Don't worry about that. Just give me a call when you arrive. I'll be glad to show you around.
Q: what does the man offer to do for the woman?