The correct answer is: a) Short-distance public transport.
Auto rickshaws are a type of three-wheeled vehicle that is commonly used for short-distance public transport in many parts of the world, including India, Pakistan, Bangladesh, Nepal, Sri Lanka, and Southeast Asia. They are typically powered by a small gasoline engine and can seat up to three passengers. Auto rickshaws are a popular mode of transportation because they are relatively inexpensive and convenient. They can also be used to transport small loads of cargo.
Option b) is incorrect because auto rickshaws are not typically used for long-distance travel. They are more suited for short trips within a city or town.
Option c) is incorrect because auto rickshaws are not typically used for cargo transportation. They are more suited for transporting passengers.
Option d) is incorrect because auto rickshaws are not typically used for tourist transportation. They are more suited for local transportation.