The correct answer is option 1: Yangtze. The Yangtze River is the largest river in Asia, both in terms of discharge volume and length. It is one of the most important waterways in China and plays a significant role in the country`s economy and transportation system. The river spans for approximately 6,300 kilometers, flowing from its source in the Tibetan Plateau through various provinces and finally emptying into the East China Sea. It is known for its diverse ecosystem and is home to several species of fish, including the Chinese paddlefish and the Yangtze river dolphin. The river also serves as a source of irrigation for agriculture and a potential source of hydroelectric power.