According to the query Baidu question bank, the world's largest foreign exchange trading center is (). A, new york B, Tokyo C, London D and Frankfurt. The correct answer is C, so the largest foreign exchange trading center in the world is London. Answer analysis: Option A: new york is the most active foreign exchange market in North America; Option B: Tokyo is the largest foreign exchange trading center in Asia; Option D: Frankfurt is a famous international financial and foreign exchange center.

London is the capital of the United Kingdom of Great Britain and Northern Ireland and the world's financial center, accounting for more than 40% of the world's foreign exchange transactions, and is also known as "Newland Port" with new york and Hongkong. London is the political, economic, cultural and financial center of Britain and the city with the most museums, libraries and gymnasiums in the world.