问题
单项选择题
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.
A. bizarre
B. primitive
C. advantageous
D. unique
答案
参考答案：B
解析： bizarre“奇异的”；primitive“原始的”；advantageous“有利的”；unique“独特的”。答案是B。