【单选题】

Woman: Robert, how's your trip to South DakotaMan: I believe the old saying that travel east and west, a man's own house is still the best.Question: What does the man mean
A．He didn't like the house in South Dakota.

B．He has spent too much time on the road.
C．He didn't enjoy the trip very much.
D．He didn't like the house where they lived in South Dakota.