b. the gap between men's and women's earnings was narrowing.
Its cut down on labor costs
<span>If your choices are A.Refuting a counterclaim
B.Synthesizing your conclusions
C.Describing your evidence
D.Introducing a claim, then the correct answer should be C. describing your evidence. You goal as a writer is to provide counterarguments during the evidence phase because if you perceive well what the counter-arguments are, then you can counter them before other critics even try to write them, and thus negate what they're trying to do.</span>