Which one of the following is NOT the principle you should pay attention to in response to the inquires?
选项：

A:You should try to reply in a concise manner, because talking too much to waste the clients’ time is not polite in international trade.
B:You need to reply in a polite way, as you should always respect your clients and think in their place.
C:The content should be proper. You should quote your clients a proper price for what they inquire.
D:You should answer the inquiries cautiously, and you should be in no hurry to reply.