The correct answer is: A. Insurance company.
An insurance agent is a person who represents an insurance company and sells its policies to individuals and businesses. They are responsible for providing information about the policies, helping customers choose the right coverage, and processing claims.
A sub-agent is an agent who is appointed by another agent to represent them in certain matters. For example, a sub-agent might be appointed to handle claims for an insurance company.
A co-agent is an agent who works with another agent to represent the same client. For example, a co-agent might be appointed to help an insurance company with marketing and sales.
A broker is an independent agent who represents both buyers and sellers in a transaction. For example, a broker might be appointed to help a client buy or sell a house.
In conclusion, an insurance agent represents an insurance company. They are responsible for providing information about the policies, helping customers choose the right coverage, and processing claims.