30. Which of the following is the most appropriate type of writing for this passage?
(A) Argumentation.
(B) Classification.
(C) Documentary.
(D) Commentary.
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統計: A(1), B(10), C(4), D(3), E(0) #4027956
統計: A(1), B(10), C(4), D(3), E(0) #4027956