The simplest animals are those whose bodies are simplest in structure and which do the things done by all living animals, such a

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问题 The simplest animals are those whose bodies are simplest in structure and which do the things done by all living animals, such as eating, breathing, moving and feeling, in the most ______ way.

选项 A、bizarre
B、primitive
C、advantageous
D、unique

答案B

解析 (primitive原始的)。句意为:最原始的动物是这样一些动物:它们的身体在结构方面十分简单,以最原始的方式做所有动物所做的事情,如吃、呼吸、移动并且拥有知觉。A.bizarre希奇古怪的;C.advantageous有利的;D.unique独一无二的。
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