北海公园原是历代封建帝王的“御花园”，总面积共有68.2公顷。

A.Bei Hai (North Lake) Park, covers an area of 68.2 hectares, was the imperial garden in th
B.Bei Hai (North Lake) Park, covers an area of 68.2 hectares, being the imperial garden in t
C.Bei Hai (North Lake) Park, covering an area of 68.2 hectares, which was the imperial garde
D.Bei Hai (North Lake) Park, covering an area of 68.2 hectares, was the imperial garden in t