35.The author seems to be mainly concerned with most fisheries’ ________.
(A) management efficiency
(B) biomass level
(C) catch-size limits
(D) technological application
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統計: A(1), B(0), C(0), D(0), E(0) #493178
統計: A(1), B(0), C(0), D(0), E(0) #493178