题目内容：
Toachievethegreatestsuccessinfindingoutangerfromfacialexpressions，itwouldbebestto__________.
A.useadultsratherthanstudentsasjudges B.askwomenwhodonotstudypsychologytojudgeit C.askmenratherthanwomentojudgeit D.besatisfiedwithatwopercentsuccess，ifsuchapercentageisguaranteed
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