填土压实质量与许多因素有关，下列不属于其中影响因素的是（    ）

A、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">压实功</span>

B、<span style="FONT-FAMILY: &#39;Times New Roman&#39;,&#39;serif&#39;; FONT-SIZE: 14px">.</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">土的含水量</span>

C、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">土的孔隙比</span><span style="FONT-FAMILY: &#39;Times New Roman&#39;,&#39;serif&#39;; FONT-SIZE: 14px">&nbsp; </span>

D、<span style="TEXT-DECORATION: none"><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">每层铺土厚度</span></span>