Which one of the following place is the confluence of the river Alakhnanda and the Bhagirathi?

Explanation

Dev Prayag is one among the list of "Panch Prayag", where the holy streams of 'Alaknanda' and 'Bhagirathi' meet, and hereafter the river is called Ganga. River Bhagirathi originates from Gangotri and Alaknanda originates from Badrinath, both of which are considered sacred destinations for Hindus across the world.