______ that distinguish human beings from other primates are related to the ability of people to stand upright and walk on two legs.
A、Many of the physical characteristics
B、Of the many physical characteristics
C、The physical characteristics
D、There are many physical characteristics
查看答案
正确答案
试题解析
并非所有区别人类与灵长类动物的特点都和直立行走能力有关。从语法角度而言,后面出现了动词are,知道前半句应该是句子的主语,可以排除选项B和选项D。根据句意应该选择A。C项表达错误。