Correct Option: B

Yarlung Tsangpo is a watercourse that originates at Tamlung Tso lake in western Tibet, southeast of Mount Kailash and Lake Mansarovar. It later forms the South Tibet Valley and Yarlung Tsangpo Grand Canyon, before passing through the state of Arunachal Pradesh, India, where it is known as the Dihang. Downstream from Arunachal Pradesh the river becomes wider and at this point is called the Brahmaputra River. From Assam (India) the river enters Bangladesh at Ramnabazar.