【名词&注释】
民事责任(civil liability)、连带责任(joint liability)、抵押物(hypothecated property)、民法通则(general civil law)、标的物(subject matter)、不可分性(indivisibility)、保险金(insurance money)、从属性担保、承担责任(undertake responsibility)、赔偿金(smart money)
[单选题]当事人对保证担保的范围没有约定或约定不明确,保证人应当()。
A. A.对全部债务承担责任(undertake responsibility)B.承担连带责任C.按过错承担责任(undertake responsibility)D.不承担保证责任