Reading Comprehension
试题详情
题目：
The passage suggests that proponents of the theory mentioned in highlight text assume that which of the following steps in human evolution occurred most recently?
选项:
A、development of a nuclear family structure
B、transition from walking on all fours to walking upright
C、dramatic enlargement of the brain
D、use of the hands to gather and carry food
E、modification of propulsive muscles to provide stability and control in locomotion
答案:
C
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