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题库 / Prep2007E1-SC-105
Even though it was not illegal for the bank to share its customers' personal and financial information with an outside marketing company in return for a commission on sales, the state's attorney general accused the bank of engaging in deceptive business practices by failing to honor its promise to its customers to keep records private.
by failing to honor its promise to its customers to keep
by its failure of honoring its promise to its customers to keep
in its failing to honor its promise to its customers of keeping
because of its failure in honoring its promise to its customers in keeping
because of its failure to honor its promise to its customers of keeping
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大家都说这里用by不用because，是因为银行守信失败是银行参与欺骗性商业行为的方式，不是原因。但是为什么不能理解为银行守信失败是律师控告的原因呢？修饰前面半句话？
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