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【单选题】The Pentagon(五角大楼) The Pentagon, headquarters of the Department of Defence in US, is one of the world’s largest office buildings. It is twice the size of the Merchandise Mart in Chicago, and has three...
A.
All the offices are connected by 131 stairways and 9 escalators.
B.
The longest distance between two offices is 17.5 miles.
C.
There is no rest room in the Pentagon.
D.
It takes no more than 7 minutes to walk from one place to another in the Pentagon.