A pilgrimage site in Karnataka associated with the Madhvacharya saint:

Udupi
Sringeri
Dharmasthala
Shravanabelagola

The correct answer is: A) Udupi

Udupi is a city in Karnataka, India. It is a popular pilgrimage site for Hindus, and is home to the Sri Krishna Temple, one of the most important temples in the state. The city is also known for its delicious food, including the Udupi masala dosa, which is a popular dish throughout India.

Madhvacharya was a 13th-century Hindu philosopher and theologian. He is considered one of the most important figures in the Dvaita Vedanta school of philosophy. Madhvacharya was born in Udupi, and the city is home to a number of temples and shrines dedicated to him.

The other options are incorrect because they are not pilgrimage sites associated with Madhvacharya. Sringeri is a town in Karnataka, India. It is home to the Sringeri Sharada Peetham, a Hindu monastery founded by Adi Shankaracharya. Dharmasthala is a town in Karnataka, India. It is home to the Dharmasthala Temple, a Hindu temple dedicated to the goddess Durga. Shravanabelagola is a town in Karnataka, India. It is home to the Gommateshwara statue, a monolithic statue of the Jain saint Bahubali.