80 What does “the highly centralized approach” in the third paragraph refer to?
(A) Working with institutions.
(B) Working with farmers.
(C) Finding enough crop diversity.
(D) Finding sufficient funds.
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統計: A(4), B(0), C(2), D(2), E(0) #2586262
統計: A(4), B(0), C(2), D(2), E(0) #2586262