Assume you're using a three-button mouse. to access shortcut menus, you would

a. double-click the left button.
b. click the right button.
c. click the middle button.
d. double-click the right button.

I think the correct answer from the choices listed above is option B. When using a three-button mouse, you would click the right button if you want to access shortcut menus. I'm positive that this is the answer as I am currently using a three button mouse.

Cbottom left is the correct one.