问题详情

The ONS claimed all of the following EXCEPT that______.

A．the pay gap between the highest and the lowest has narrowed down

B．at least two kinds of people were hard to classify

C．wages of the public sector workers increased faster than those of the private sector ones

D．waiters do not belong to the public sector workers according to the ONS

请帮忙给出正确答案和分析，谢谢！