【名词&注释】
赔偿损失(restitutionary damage)、国家主权、诉讼时效(limitation of action)、违约责任(liability for breach of contract)、不安抗辩权(unsafe right of defense)、先履行抗辩权(the right to implement the demurrer fir ...)、同时履行抗辩权(right to defense of simultaneous perfor ...)、先诉抗辩权(right of plea for preference claims)、采取补救措施、我国《合同法》(contract law in china)
[单选题]甲、乙双方互负债务,没有先后履行顺序,一方在对方履行之前有权拒绝其履行要求,一方在对方履行债务不符合约定时有权拒绝其相应的履行要求。这在我国《合同法》(contract law in china)理论上称作()。
A. 先履行抗辩权
B. 先诉抗辩权(right of plea for preference claims)
C. 同时履行抗辩权(right to defense of simultaneous perfor)
D. 不安抗辩权