Questions 11 to 13 are based on an
interview with chief executive of Fairtrade Foundation Phil Wells about his role
in giving Third Worm traders a better deal.
When did the man enter the field of fair trade
A．While he was doing his degree in ecology. B．After he founded Friends of the Earth in Norwich. C．When he was working with the Natural History Museum. D．While he was working for Traidcraft.