下列哪句是“为了帮助您促进销我们的新产品,我们同意D/A 30天。”的正确翻译?
A. In order to help you push the sales of our new product, we agree to make payment by D/P 30 days
B. In order to help you push the sales of our new product, we agree to make payment by D/P at sight 30 days
C. In order to help you push the sales of our new product, we agree to make payment by D/A 30 days
D. In order to help you push the sales of our new product, we agree to make payment by D/A at sight 30 days