Answer:
B. Foreign exchange brokers
Step-by-step explanation:
Foreign exchange brokers -
They are the firm , which enables the traders to provide a proper platform in order to sell and buy currencies of various countries , is referred to as Foreign exchange brokers .
They are also known as currency trading brokers , retail forex brokers .
The transaction of the currencies is between two different countries .
Hence , from the given information of the question ,
The correct option is B. Foreign exchange brokers .