【单选题】

1Landscape architects design landscapes in residential areas, public parks, and commercial zones. They are hired by many types of organizations, from real estate firms starting new developments to municipalities constructing airports or parks. They usually plan the arrangement of vegetation, walkways, and other natural features of open spaces.

2In planning a site, landscape architects first consider the nature and purpose of the project, the funds available, and the proposed elements. Next, they study the site and map such features as the slope of the land, the positions of existing buildings, existing utilities, roads, fences, walkways, and trees. Then, working either as the leader of a design team or in consultation with the project architect or engineer, they draw up plans to develop the site. If the plans are approved, they prepare working drawings to show all existing and proposed features. They outline the methods of constructing features and draw up lists of building materials.
3Newcomers to the field usually start as junior drafters, tracing drawings and doing other simple drafting work for architectural, landscape architectural, or engineering firms.After two or three years, they can carry a design through all stages of development. Highly qualified landscape architects may become associates in private firms, but usually those who progress this far open their own offices.
Landscape architects do all of the followingEXCEPTA．design landscapes in residential and commercial zones
B．decide where to build walkways in public parks
C．draw or paint scenes from the natural environment
D．plan the arrangement of vegetation and other natural features