下列哪种情况会导致代谢性酸中毒，部分代偿（）

A、['糖尿病患者血气分析，pH、HCO<img height='20' src='http://que-oss.fenziquan.com/web/akimg/psource/2015102314063055184.jpg' style='width: 9px; height: 12px;' width='8'>及BE均明显降低，PCO₂明显降低

B、糖尿病患者血气分析，pH、HCO<img height='20' src='http://que-oss.fenziquan.com/web/akimg/psource/2015102314063055184.jpg' style='width: 9px; height: 12px;' width='8'>及BE均明显降低，PCO₂增高

C、糖尿病患者血气分析，pH、HCO<img height='20' src='http://que-oss.fenziquan.com/web/akimg/psource/2015102314063055184.jpg' style='width: 9px; height: 12px;' width='8'>及BE均明显降低，PCO₂降低不明显

D、糖尿病患者血气分析，pH正常，HCO<img height='20' src='http://que-oss.fenziquan.com/web/akimg/psource/2015102314063055184.jpg' style='width: 9px; height: 12px;' width='8'>及BE均明显降低，PCO₂明显降低

E、糖尿病患者血气分析，pH降低，HCO<img height='20' src='http://que-oss.fenziquan.com/web/akimg/psource/2015102314063055184.jpg' style='width: 9px; height: 12px;' width='8'>及BE正常，PCO₂增高