皮皮学，免费搜题
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【单选题】
下列选项中不属于电子支付安全问题的是A.
缺乏相应支付系统的支持
B.
黑客入侵
C.
内部作案
D.
密码泄露
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
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