According to a 1996 study published in the Journal of Human Resources, Americans of Middle Eastern descent were twice as likely as was the national average to be self-employed.
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Aas was the national average to be self-employed
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Bas the average American to be self-employed
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Cas the national average that they would be self-employed
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Dto be self-employed than was the average American
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Ethat they would be self-employed than was the national average
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正确答案: B