A Clearinghouse Is A/an

A clearinghouse is a/an

A) regional office that "clears" the signal for electronic insurance claim transmission.
B) entity that receives transmission of insurance claims, separates the claims, and sends each one electronically to the correct insurance payer.
C) corporation hired by the insurance company to review claims for payment.
D) computer software system that can be purchased by the physician's office for electronic insurance claims transmission.