Few large cities depend on their attractive natural scenery to make them outstanding.

A．Wal-Mart would cause fierce competition with local stores.
B．As the world's biggest retailer, Wal-Mart attracts the Mexican customers with superb service.
C．Stores are forbidden to open around the Pyramid of the Sun.
D．The opening of Wal-Mart muses controversy in Mexico.

A．stores will make noise for the ancient city
B．the antique has a significant role in Mexico
C．mysterious inhabitants had lived there until the Spanish arrived
D．the pyramid was used for ceremony