我方市场对中国微波炉的需求很大 请你们对目前能供应的型号向我方报有竟争性的价格。There is a big demand for Chinese micro wave ovens. We______ your quoting us competitive prices for models available now.

我方市场对中国微波炉的需求很大，请你们对目前能供应的型号向我方报有竟争性的价格。There is a big demand for Chinese micro wave ovens. We______ your quoting us competitive prices for models available now.

A、should be obliged

B、must be grateful

C、could appreciate

D、shall appreciate

请帮忙给出正确答案和分析，谢谢！