2968冠心病合并高胆固醇血症时应将LDL-C降至何等水平 （)A.<80mg/dlB.<110mg/dlC.<130mg/dlD.<150mg/4174

冠心病合并高胆固醇血症时应将LDL-C降至何等水平 () A.<80mg/dl B.<110mg/dl C.<130mg/dl D.<150mg/dl E.<230mg/dl 请帮忙给出正确答案和分析，谢谢！