A．She has worked in many different countries.
B．She has extensive business experience.
C．She has a background in advertising.
D．She has expertise in arranging business meeting and presentations.

单选题 Questions refer to the following document.
Unadilla Fence and Supply, Inc.
3220 Rt.7 East, Unadilla, NY 13849
1-800-555-4344
Sales - Installation - Repairs
Residential- Industrial
All Types of Fencing
Landscape Supplies - Sheds - Outdoor Furniture

We hereby submit specifications and estimates for the furnishing and installations of the following:
Take down and remove 20 sections of 3-rail fence with attached wire mesh. Install
approximately 205 feet of 4-foot-hign fence with regular posts.26 fence sections,24- foot gates. Top of fence to be as level as possible.
Customer responsible for determining property lines and location of fence, clearing fence line, and obtaining permits.
We hereby propose to furnish labor and materials in accordance with the above specifications for the sum of Three Thousand Eight Hundred and Ninety dollars($3,890).50 percent deposit required. Balance due upon completion.
This proposal may be withdrawn by Unadilla Fence and Supply if not accepted within 30 days.
What type of document is this?

A．An advertisement
B．A proposal
C．A work schedule
D．An order form

A．Replacement of a fence
B．Installation of a patio
C．Lawn maintenance
D．Furniture repair