53. Which of the following organs is specialized root in plants?
(A) rhizome
(B) stolon
(C) tuber
(D) pneumatophore
(E) petiole
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統計: A(18), B(7), C(5), D(49), E(3) #3224834
統計: A(18), B(7), C(5), D(49), E(3) #3224834