A.2% B.3% C.4% D.5%
A.承包商保證擔(dān)保和建設(shè)單位責(zé)任保證擔(dān)保 B.承包商責(zé)任保證擔(dān)保和建設(shè)單位保證擔(dān)保 C.承包商保證擔(dān)保和設(shè)計(jì)單位責(zé)任保證擔(dān)保 D.承包商責(zé)任保證擔(dān)保和設(shè)計(jì)單位保證擔(dān)保