Option 1: The Himalayas - The Himalayas are indeed a long and significant mountain range, extending across several countries in Asia, including India, Nepal, Bhutan, and Tibet. However, it is not the longest continuous mountain range in the world.

Option 2: The Andes - The Andes is the correct answer. It is the longest continuous mountain range in the world, stretching approximately 7,000 kilometers along the western edge of South America. It runs through seven countries, including Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile, and Argentina. The Andes are known for their breathtaking peaks, diverse ecosystems, and significant geological activity.

Option 3: The Rocky Mountains - The Rocky Mountains are another notable mountain range, located in western North America. While they are extensive and cover a significant portion of the continent, they are not as long as the Andes.

Option 4: The Alps - The Alps are a famous mountain range in Europe, known for their stunning scenery and popular skiing destinations. However, they are not the longest continuous mountain range in the world.

In conclusion, the Andes is the correct answer as it is the longest continuous mountain range, stretching across South America.