The correct answer is: D. Sangla
Sangla is a small town in the Kinnaur district of Himachal Pradesh, India. It is located at an altitude of 2,700 meters (8,900 feet) above sea level. The town is surrounded by snow-capped mountains and is a popular tourist destination.
Sangla is a great place for mountain biking. The town is located in a valley and there are many gentle routes for mountain biking. The routes are well-maintained and offer stunning views of the surrounding mountains.
The other options are not as good for mountain biking. Kaza is a town in the Spiti Valley of Himachal Pradesh. It is located at an altitude of 3,600 meters (11,800 feet) above sea level. The town is surrounded by high mountains and is a popular tourist destination. However, the roads in Kaza are not well-maintained and are not suitable for mountain biking.
Manali is a town in the Kullu Valley of Himachal Pradesh. It is located at an altitude of 2,050 meters (6,725 feet) above sea level. The town is a popular tourist destination. However, the roads in Manali are not well-maintained and are not suitable for mountain biking.
Bilaspur is a city in the Bilaspur district of Himachal Pradesh. It is located at an altitude of 900 meters (2,950 feet) above sea level. The city is a major commercial and industrial center. However, the roads in Bilaspur are not well-maintained and are not suitable for mountain biking.