单项选择题

[听力原文]6-8
W: Look, Mr. Harris. This is the Great Pyramid.
M: Oh, yes ... it looks very high!
W: It’s about 137 meters high.
M: How long are the sides
W: They’re 230 meters.
M: It’s incredible! Can we go inside
W: I’m sorry, Mr. Harris. it’s under repair these days.
M: What a pity !

What are the two speakers doing()

A.Registering in hotel.
B.One is sightseeing and the other is guiding the tour.
C.Spending their holidays together in Egypt.
D.Talking about some wonderful ’sights in Cairo.