(As do) all insects, a butterfly has a hard (outer) covering, (called it) an exo

游客2024-01-05 44

问题 (As do) all insects, a butterfly has a hard (outer) covering, (called it) an exoskeleton, (that both) supports and protects the body.

选项 A、As do
B、outer
C、called it
D、that both

答案 C

解析

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