What did Tom Vierhile of Marketing Intelligence Service do, according to the passage?A.He
What did Tom Vierhile of Marketing Intelligence Service do, according to the passage?
A.He reported about the availability of all kinds of tea around the world.
B.He tracked the sources of tea and other beverages in Asian countries.
C.He gave a detailed analysis of professional categorization of tea and other beverages.
D.He followed the trends of tea and other beverages and analyse them in a professional way.