【单选题】

Questions 18 to 20 are based on the following passage.At the end of the passage, you will be given 15 seconds to answer the questions. Now, listen to the passage. Which of the following is NOT true according to the passage

A、The farm sells its vegetables to a local supermarket.
B．The farm uses less water and energy to grow vegetables.
C．The farm causes less pollution in its production.
D．The farm sells at the same price as imported produce