The correct answer is C) Kodungallur.
Muziris was an ancient port city on the Malabar Coast of India, located in what is now Kodungallur, Kerala. It was a major center of trade between India and the Roman Empire, and was known for its spices, ivory, and other goods.
Kannur is a city in the northern part of Kerala. It was an important port city during the Middle Ages, but it declined in importance after the Portuguese arrived in the 16th century.
Kochi is a city in the southern part of Kerala. It was founded by the Portuguese in the 16th century, and it became an important center of trade and commerce.
Kollam is a city in the southern part of Kerala. It was an important port city during the ancient and medieval periods, and it is still a major commercial center today.