商品最本质的因素是

A、<span style="font-size:16px;font-family:宋体">使用价值</span>

B、<span style="font-size:16px;font-family:宋体">价值&nbsp;</span>

C、<span style="font-size:16px;font-family:宋体">交换价值</span>

D、<span style="font-size:16px;font-family:宋体">价格</span>