What is the Outer Court composed of?

A.The Hall of Supreme Harmony, the Hall of Mental Cultivation and the Hall of Preserving Harmony.

B.The Hall of Supreme Harmony, the Hall of Central Harmony and the Hall of the Supreme Pole.

C.The Hall of Mental Cultivation, the Hall of the Supreme Pole and the Hall of Preserving Harmony.

D.The Hall of Supreme Harmony, the Hall of Central Harmony and the Hall of Preserving Harmony.

正确答案：The Hall of Supreme Harmony, the Hall of Central Harmony and the Hall of Preserving Harmony.