27. According to die passage, what are the bodies of moths and butterflies similar to?
(A) A shell.
(B) A tube.
(C) A leaf.
(D) A straw
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統計: A(52), B(53), C(7), D(8), E(0) #923655
統計: A(52), B(53), C(7), D(8), E(0) #923655