The correct options are
A China
B India
C Pakistan
The Indus River starts its journey near the Mansarovar Lake, in Tibet in China. From Tibet, the river enters India through Ladakh. From Ladakh, the river flows through the Union Territories of Jammu and Kashmir. From here, the Indus river flows through the regions of Baltistan and Gilgit (Pakistan). The river then flows south and drains into the Arabian Sea, with a journey spanning a distance of 2900 km.