【名词&注释】
人民法院(people court)、促进作用(promotion)、决定作用(decisive role)、经济规律(economic law)、次债务人(second debtor)、代位权诉讼(lawsuit of right of subrogation)、债权人的代位权(creditor ' s right of subrogation)、行使代位权(exercise his subrogation)、债权人的债权(creditor can)、债权债务关系(debtor-creditor relationship)
[单选题]关于债权人的代位权(creditor s right of subrogation),下列说法错误的是( )。
A. 其行使范围以债权人的债权(creditor can)为限
B. 债权人须以自己名义行使代位权(exercise his subrogation)
C. 行使代位权(exercise his subrogation)的必要费用,由债务人负担
D. 就因此所得到的利益,代位权人有权优先受偿