Detailed Instructions: In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".
Q: [header] How to purchase drafting supplies [title] Select and purchase a drafting table. [step] The drafting table is the most important part of the drafter's tool kit. Look for a table with a height-adjustable tabletop, and one that allows you to adjust the angle of the work surface. <sep> (A) The standard table will require at least four inches (ten cm) of table space, while an ergonomic tabletop will require as few as 14 inches (20 cm). You can find all sorts of drafting supplies online or in specialty scrap shops. (B) [substeps] Generally, drafting tables can accommodate $1.50 feet (4.92 meters), so you won't need too many. A $1.50 tabletop can be purchased at most home improvement and hardware stores. (C) In the workplace, it's often useful to purchase an adjustable tabletop. Although these systems are generally called tabletop adapters, they are in place as a part of the drafting tool kit. (D) Built-in storage boxes are an option on many tables. Some drafting tables have collapsible legs for transport, but these are not typically as sturdy as their permanent counterparts.
A:
D