What are the Five Grand Palaces of the World?
A、the Forbidden City, the Buckingham Palace, the Kremlin Palace, the White House and the Versailles Palace
B、the Forbidden City, the Buckingham Palace, Pena National Palace, the White House and Schonbrunn Palace
C、the Summer Palace, the Buckingham Palace, Potala Palace, the White House and the Versailles Palace
D、the Forbidden City, the Buckingham Palace, the Kremlin Palace, Topkapi Palace and Pena National Palace