Development of homestays in Arunachal Pradesh can promote:

Authentic cultural experiences
Community-based tourism
Sustainable livelihood options
All of the above

The correct answer is: d) All of the above.

Homestays are a type of tourism accommodation where visitors stay with local families in their homes. This type of tourism can promote authentic cultural experiences, community-based tourism, and sustainable livelihood options.

Authentic cultural experiences: Homestays allow visitors to experience the local culture in a more authentic way than they would if they were staying in a hotel or resort. They can learn about the local customs and traditions, and they can meet and interact with local people.

Community-based tourism: Homestays can also help to promote community-based tourism. This type of tourism involves local communities working together to develop and manage tourism activities. This can help to bring economic benefits to the community, and it can also help to preserve the local culture and environment.

Sustainable livelihood options: Homestays can also provide sustainable livelihood options for local people. This is because they can generate income for local families without having a negative impact on the environment.

In conclusion, the development of homestays in Arunachal Pradesh can promote authentic cultural experiences, community-based tourism, and sustainable livelihood options.