Which best describes the "Primary Options"?

Select the correct response:

The preferred design option in a design option set. By default, each project view displays both the main model and the primary option for each set.

The Primary Option is the basis for all other design options. Alternate options can be created to modify the primary option.

The Primary Option is an alternate to the main model in the option set.

The Primary Option is the design option that you are currently editing.