You will be given a definition of a task first, then some input of the task.
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".

[header] How to create a new command on autocad [title] For an example, this article will show you how to create a command that copies an object in place. [title] Open autocad. [title] Type " cui " in the command line and press enter. <sep> (A) [title] In the field labeled " as ", type " = ". [step] If it is a conubiation command, that means it will say " your cui ", instead of " tur, " as in " an object you own ". (B) [step] This will bring up the " customize user interface " dialog box. [title] Right click in the command list and select " new command ". (C) [title] Click the circle next to " command prompt. [title] Search for " " and then press enter. (D) [step] If you copied the command previously, create another one now. [title] At the top of the page, click " command ".
Output:
B