First we set the editBackground to false, by either choosing BackGround from the Edit menu again.

Or using the Button on at the top of the Tools palette. Clicking on 'Bkgnd'

Changing it to 'Card'

Any objects now created will go on the Card Layer.

First we will type a question into the Field:

To create an answer button we click on the Round Rect Button on the tools palette:

And drag out a button on our window:

We can use the property Inspector to name the button:

Next we duplicate the button, so we have 4 copies.
Choose Duplicate from the Edit menu or type Command D

Select all the buttons(command A)
using the Property Inspector's Size card, align the left edges and distribute the centres.

Select the single buttons, one at a time with the pointer tool and edit their name with the Property Inspector.

Now we can put in some scripts to make the quiz work.