题目内容

甲在某商店购物时,售货员因失误多找给甲50元,甲回家途中丢失了其中的20元。回家后甲清理现金时发现多出30元,马上到商店退款,售货员清点时发现多找了50元,要求甲返还50元。甲应该()。

A. 返还50元
B. 返还30元
C. 丢失的20元甲和商店各负担10元
D. 以上说法都不正确

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