单项选择题

Sydney is home to nearly 4.4 million people...The 57 square kilometer harbour is one of the largest in the world, and famous for the unmistakable 134 metres high arch of the Harbour Bridge and the graceful sails of the Opera House. It is a busy waterway with ferries, freighters, hydrofoils and pleasure craft.
Sydney Harbour is the largest in the world.

A. Right
B. Wrong
C. Not Mentioned