【单选题】

{{I}}Questions 8 to 10 are based on the following conversation.At the end of the conversation, you will be given 15 seconds to answer the questions. Now listen to the conversation.{{/I}} Which of the following about coffee farming is NOT true

A、Over 30,000,000 people live on coffee farming.
B．It is controlled by 4 or 5 big companies.
C．It is next only to oil in terms of economic importance.
D．Coffee growers usually own 4 or 5 hectares of lanD、