【单选题】
What happened beforeEgyptians discovered calculation?
A、Egyptians discovered writing.
B、Egyptians started schools.
C、Sumerians invented writing.
D、Sumerians started schools.
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根据网考网移动考试中心的统计,该试题:
1%的考友选择了A选项
40%的考友选择了B选项
58%的考友选择了C选项
1%的考友选择了D选项