33. Which of the following is a function of the tree bark as mentioned in the passage?
(A) It allows redwood trees to bear seeds.
(B) It prevents redwood trees from attack by insects.
(C) It helps redwood trees absorb moisture in the air.
(D) It makes redwood trees more beautiful and appealing.
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統計: A(0), B(1), C(0), D(1), E(0) #3354420
統計: A(0), B(1), C(0), D(1), E(0) #3354420