单选题 Dear New Resident,
Let us be the first to welcome you to lovely New Westford City! We're sure you'll find it to be a wonderful place to own a home.
As a very special welcome from New Westford Carpet Cleaners, please find the enclosed gift certificate, which entitles you to 15% off the regular rate of any one of our services. Whether you require a complete shampoo and steam cleaning for your wall-to-wall carpeting or just a simple stain removal for your furniture fabric, you can count not on us to provide quick, professional service.
We hope you give us the opportunity to show you why we're the number-one cleaning operation in New Westford City!
Sincerely,
Peter Cavarretta
President, New Westford Carpet Cleaners

单选题 What is the main purpose of the letter?
A. To inform residents about public transportation
B. To promote a local business
C. To attract tourists to the city
D. To announce a special real estate offer

单选题 What will accompany the letter?
A. A discount coupon B. A carpet sample
C. A price list D. A furniture catalog