题目内容：
2[阅读题,10分] Dear Sirs Lightweight batteries We are the manufacturers of BROADWAY delivery vehicles and electronic vehicles for disabled people. Our company is a subsidiary of Broadway International Inc. of Portland, Oregon. We are seeking an alternative supplier of lightweight batteries to power our vehicles. As far as we are aware you do not have a local distributor of your products in this country. A full specification of our requirements is given on the attached sheet. Quantity required: 4,800 units Delivery: by 15 January 2007 Please quote us your best CIF price, giving a full specification of your product and shipping date. We would need to have samples of the batteries to test in our laboratories before placing a firm order. We usually deal with new suppliers on the basis of payment in our currency by confirmed 60-day irrevocable letter of credit. If our laboratory tests are satisfactory and you can provide us with a good price and service, we will be happy to place more substantial orders on a regular basis. We look forward to receiving an early reply to this enquiry. Yours faithfully Fred A North Buying Manager Enclosed: specification and technical brochure 1.（ ） What is the purpose of the letter? _________________. A. To promote BROADWAY products and services. B. To persuade customers to place an order. C. To seek a prospe
参考答案：