Referring your inquiry of May 5, we very much regret that we are unable to make you an offer ____

Referring your inquiry of May 5, we very much regret that we are unable to make you an offer _____ the above.

Referring your inquiry of May 5, we very much regret that we are unable to make you an offer _____ the above.
【正确答案】：for
【题目解析】：for the above针对上述情况

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