23（）

单项选择题If we take two unrelated people at random from the population (Para. 2) means if we()

A. choose two persons with different intelligence
B. choose two persons who are relative
C. take out two persons of close relationship
D. pick any two persons

单项选择题What’ s the author’ s attitude to the policy that prevents students with bad grades from participating in extracurricular activities()

A. supportive
B. critical
C. neutral
D. indifferent