but somehow manage to select as friends the people who__our kin

  Most people do not even __their fourth cousins

[A] visit

[B] miss

[C] seek

[D] know

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  While 1% may seem__,it is not so to a geneticist

[A] insignificant

[B] unexpected

[C]unbelievable

[D] incredible

   本题为单选题，请选出正确答案，谢谢！

  The same people were used in both__.

[A] tests

[B] objects

[C]samples

[D] examples

   本题为单选题，请选出正确答案，谢谢！

  1,932 unique subjects which ____pairs of unrelated friends and unrelated strangers

[A] compared

[B] sought

[C] separated

[D] connected

   本题为单选题，请选出正确答案，谢谢！