根据银联规则，收单机构对原始交易的短款和贷记调整的失误可向发卡机构发起（）差错申请。
A.请款
B.贷记调整
C.退单
D.托收
参考答案：A
When he picked up a large sum of money by accident, he battled with his _____ whether he should keep it or return it to the owner.
A．consciousness
B．conscience
C．commitment
D．convenience
所有的演示按进程划分有哪些？
