Answer:
A. tropical
Step-by-step explanation:
The type of climate that covers the northern half of South America, including the Amazon River Basin is the "tropical climate".
The tropical climate is known to be one of the five major climates in Koppen climate classification. It has two seasons - wet and dry seasons. Some countries that have tropical climate are all of central America, top half of South America, Colombia, Peru, Venezuela, northern Chile, etc. Also, this climate is found in Amazon River Basin. The Amazon River Basin has low-water and wet season. It's generally hot and humid.