Which of the Following Statements Is a Characteristic of Dumping

Which of the following statements is a characteristic of dumping?

A) It refers to exporter business trying to decrease an overseas market share
B) It refers to the sale of an exported product at a price lower than that charged for the same or a like product in the "home" market of the exporter
C) It refers to a form of trade in which all or part of the payment for goods or services is in the form of other goods or services.
D) It refers to a system in which prices of different currencies move up and down based on the demand for and the supply of each currency