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.
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.
(A) as was the national average to be self-employed (B) as the average American to be self-employed (C) as the national average that they would be self-employed (D) to be self-employed than was the average American (E) that they would be self-employed than was the national average B项 average American是什么意思啊?