The correct answer is d) Education.
Education is crucial for improving long-term HDI in Andhra Pradesh because it is the key to human development. It is the foundation for economic growth, social progress, and environmental sustainability. Education helps people develop their skills and knowledge, which they can then use to improve their lives and the lives of others. It also helps people understand the world around them and make informed decisions about their lives.
Agriculture, manufacturing, and services are also important sectors for the economy of Andhra Pradesh, but they are not as crucial for human development as education. Agriculture is important for providing food and employment, but it does not directly contribute to human development. Manufacturing is important for creating jobs and generating economic growth, but it can also lead to pollution and environmental degradation. Services are important for providing goods and services to people, but they do not directly contribute to human development.
In conclusion, education is the most important sector for improving long-term HDI in Andhra Pradesh. It is the key to human development and is essential for economic growth, social progress, and environmental sustainability.