Write the next sentence in this paragraph:

How to open dxf files
Download a cad or a graphic design application.
You can opt for either since dxf files are a universal type of vector format. Listed below are examples of applications you can use to open dxl files and where you can get them.

Select from the following.
a). Popular applications are mmmc, quickpad, and teleporter. Download and install dxl files.
b). The first step is to download a free version of dxf files. You can then use the built-in cad design program for windows.
c). Some programs include : Adobe illustrator www.illustrator firefox print or microsoft adobe illustrator \ illustrator Open a new windows document. You can open the program by pressing ctrl + alt + delete.
d). Adobe illustrator: http: // www.adobe.com/products/illustrator. Html take note that these are only some of the major programs; there are lots more available online that you may opt to use.
d).