39. How is the information about vertical farming organized in Paragraphs 2 to 4?
(A) Definition → Analysis → Solutions
(B) Definition → Comparison → Advantages
(C) History → Comparison → Problems
(D) History → Analysis → Effects
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統計: A(35), B(25), C(235), D(37), E(0) #3128967
統計: A(35), B(25), C(235), D(37), E(0) #3128967