新東方新托福聽力特訓(xùn)Pesticide Free Production System
What does the professor mean by this?
A The PFP system is as good as organic farming or integrated pest management.
B The PFP system consolidates organic farming with integrated pest management.
C The PFP is better than organic farming but worse than integrated pest management.
D The PFP is better than integrated pest management but worse than organic farming.
(B)
