The world's largest drainage basin is:

Correct option is A

The correct answer is (A) Amazon Basin.

Explanation:
The Amazon Basin is the world's largest drainage basin, covering an area of approximately 7 million square kilometers. It is drained by the Amazon River and its tributaries.

Information Booster:

• The Amazon Basin spans Brazil, Peru, Bolivia, Ecuador, Colombia, Venezuela, Guyana, Suriname, and French Guiana.
• The Amazon River is the second-longest river in the world and the largest by volume.
• The basin is home to the Amazon Rainforest, known for its biodiversity.
• The Nile River is the longest river in the world.