单选题
______ your request for a refund, we have referred that matter to our main office.
A、
On the point of
B、
With relationship to
C、
In the event of
D、
With regard to
【正确答案】
D
【答案解析】
on the point of正要…的时候。in the event of 如果…发生。with regard to关于。
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