The correct option is B Rebo
Changthang is an example of a cold place with high-speed winds.
People there make tents with yak’s hair. Those tents are called Rebo.
They are strong and warm and tight with nine sticks.So, they can protect from conditions.
A houseboat is a house-like boat usually used for travelling in lakes and rivers.
Dab is a window used for moon gazing and Mehrab is an architectural design on old bulidings of Srinagar.