单项选择题
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.
A. Because it’s under repair.
B. Because it’s too high.
C. Because he could visit it.
D. Because he couldn’t go inside.