W: Your father and Sally have gone to get the car. Let's wait for them here on the bench. M: It's nice to sit down. We've been walking for hours. W: Did you like the White House? M: Oh, yes. I thought it was beautiful. I wanted to stay longer. W: I did, too. But we've got a lot of things to see. M: The line wasn't long this morning, was it? W: No, it wasn't. We were lucky. M: I wonder if the president and his family use the rooms we saw. They look more like a museum than somebody's house. W: Yes. They are the public rooms. The President's family lives upstairs. M: What do they use the public rooms for? W: For important affairs. The President usually entertains members of the government and visitors from other countries. M: I hope I could get a reception at the White House some time. W: Well, if you do something important when you grow up, maybe you will. Who knows?, Question: What do we know from the talk? (A) They were waiting to see the White House. (B) They just visited the White House. (C) They just got to the White House.
(B) They just visited the White House.