Which One of the Following Would Be Considered a Multinational

Which one of the following would be considered a multinational corporation?

A) Westernet buys electricity from Canada and provides it to customers in Washington State.
B) Sherri's Shipping transports manufactured goods between the U.S. and Asia, maintaining offices in both countries.
C) Willy's Websites maintains Internet sites for clients the world over from his offices in New Jersey.
D) Betty's Bonnets makes women's hats in Jamaica and sells them to retailers in seven Caribbean countries.